diff --git a/Cargo.lock b/Cargo.lock
index 5f2a35a..a46c278 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -178,6 +178,12 @@ version = "0.6.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "2c676a478f63e9fa2dd5368a42f28bba0d6c560b775f38583c8bbaa7fcd67c9c"
 
+[[package]]
+name = "bytemuck"
+version = "1.13.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "17febce684fd15d89027105661fec94afb475cb995fbc59d2865198446ba2eea"
+
 [[package]]
 name = "byteorder"
 version = "1.4.3"
@@ -399,6 +405,12 @@ dependencies = [
  "tracing-error",
 ]
 
+[[package]]
+name = "color_quant"
+version = "1.1.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "3d7b894f5411737b7867f4827955924d7c254fc9f4d91a6aad6b097804b1018b"
+
 [[package]]
 name = "confy"
 version = "0.5.1"
@@ -725,6 +737,7 @@ dependencies = [
 name = "dtmt"
 version = "0.3.0"
 dependencies = [
+ "async-recursion",
  "clap",
  "cli-table",
  "color-eyre",
@@ -1314,6 +1327,21 @@ dependencies = [
  "version_check",
 ]
 
+[[package]]
+name = "image"
+version = "0.24.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "69b7ea949b537b0fd0af141fff8c77690f2ce96f4f41f042ccb6c69c6c965945"
+dependencies = [
+ "bytemuck",
+ "byteorder",
+ "color_quant",
+ "jpeg-decoder",
+ "num-rational 0.4.1",
+ "num-traits 0.2.15",
+ "png",
+]
+
 [[package]]
 name = "indenter"
 version = "0.3.3"
@@ -1398,6 +1426,12 @@ dependencies = [
  "libc",
 ]
 
+[[package]]
+name = "jpeg-decoder"
+version = "0.3.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "bc0000e42512c92e31c2252315bda326620a4e034105e900c98ec492fa077b3e"
+
 [[package]]
 name = "js-sys"
 version = "0.3.61"
@@ -1635,7 +1669,7 @@ dependencies = [
  "num-complex",
  "num-integer",
  "num-iter",
- "num-rational",
+ "num-rational 0.3.2",
  "num-traits 0.2.15",
 ]
 
@@ -1692,6 +1726,17 @@ dependencies = [
  "num-traits 0.2.15",
 ]
 
+[[package]]
+name = "num-rational"
+version = "0.4.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "0638a1c9d0a3c0914158145bc76cff373a75a627e6ecbfb71cbe6f453a5a19b0"
+dependencies = [
+ "autocfg",
+ "num-integer",
+ "num-traits 0.2.15",
+]
+
 [[package]]
 name = "num-traits"
 version = "0.1.43"
@@ -1924,6 +1969,7 @@ version = "0.6.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "e381186490a3e2017a506d62b759ea8eaf4be14666b13ed53973e8ae193451b1"
 dependencies = [
+ "image",
  "kurbo",
  "unic-bidi",
 ]
@@ -2022,6 +2068,18 @@ version = "0.3.26"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "6ac9a59f73473f1b8d852421e59e64809f025994837ef743615c6d0c5b305160"
 
+[[package]]
+name = "png"
+version = "0.17.7"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "5d708eaf860a19b19ce538740d2b4bdeeb8337fa53f7738455e706623ad5c638"
+dependencies = [
+ "bitflags",
+ "crc32fast",
+ "flate2",
+ "miniz_oxide",
+]
+
 [[package]]
 name = "proc-macro-crate"
 version = "1.3.1"
diff --git a/crates/dtmm/Cargo.toml b/crates/dtmm/Cargo.toml
index 5e11a9b..05db4e0 100644
--- a/crates/dtmm/Cargo.toml
+++ b/crates/dtmm/Cargo.toml
@@ -10,7 +10,7 @@ bitflags = "1.3.2"
 clap = { version = "4.0.15", features = ["color", "derive", "std", "cargo", "string", "unicode"] }
 color-eyre = "0.6.2"
 confy = "0.5.1"
-druid = { git = "https://github.com/linebender/druid.git", features = ["im", "serde"] }
+druid = { git = "https://github.com/linebender/druid.git", features = ["im", "serde", "image", "png", "jpeg", "bmp", "webp"] }
 dtmt-shared = { path = "../../lib/dtmt-shared", version = "*" }
 futures = "0.3.25"
 oodle-sys = { path = "../../lib/oodle-sys", version = "*" }
diff --git a/crates/dtmm/src/controller/app.rs b/crates/dtmm/src/controller/app.rs
index c36e7f2..9aa5a6d 100644
--- a/crates/dtmm/src/controller/app.rs
+++ b/crates/dtmm/src/controller/app.rs
@@ -4,9 +4,9 @@ use std::path::Path;
 use std::sync::Arc;
 
 use color_eyre::eyre::{self, Context};
-use color_eyre::{Help, Result};
+use color_eyre::{Help, Report, Result};
 use druid::im::Vector;
-use druid::FileInfo;
+use druid::{FileInfo, ImageBuf};
 use dtmt_shared::ModConfig;
 use tokio::fs::{self, DirEntry};
 use tokio::runtime::Runtime;
@@ -95,6 +95,36 @@ pub(crate) async fn import_mod(state: ActionState, info: FileInfo) -> Result<Mod
 
     tracing::trace!(?files);
 
+    let image = if let Some(path) = &mod_cfg.image {
+        let name = names
+            .iter()
+            .find(|name| name.ends_with(&path.display().to_string()))
+            .ok_or_else(|| eyre::eyre!("archive does not contain configured image file"))?;
+
+        let mut f = archive
+            .by_name(name)
+            .wrap_err("Failed to read image file from archive")?;
+        let mut buf = Vec::with_capacity(f.size() as usize);
+        f.read_to_end(&mut buf)
+            .wrap_err("Failed to read file index from archive")?;
+
+        // Druid somehow doesn't return an error compatible with eyre, here.
+        // So we have to wrap through `Display` manually.
+        let img = match ImageBuf::from_data(&buf) {
+            Ok(img) => img,
+            Err(err) => {
+                let err = Report::msg(err.to_string()).wrap_err("Invalid image data");
+                return Err(err).with_suggestion(|| {
+                    "Supported formats are: PNG, JPEG, Bitmap and WebP".to_string()
+                });
+            }
+        };
+
+        Some(img)
+    } else {
+        None
+    };
+
     let mod_dir = state.mod_dir;
 
     tracing::trace!("Creating mods directory {}", mod_dir.display());
@@ -111,7 +141,7 @@ pub(crate) async fn import_mod(state: ActionState, info: FileInfo) -> Result<Mod
         .into_iter()
         .map(|(name, files)| Arc::new(PackageInfo::new(name, files.into_iter().collect())))
         .collect();
-    let info = ModInfo::new(mod_cfg, packages);
+    let info = ModInfo::new(mod_cfg, packages, image);
 
     Ok(info)
 }
@@ -161,11 +191,38 @@ async fn read_mod_dir_entry(res: Result<DirEntry>) -> Result<ModInfo> {
         .await
         .wrap_err_with(|| format!("Failed to read file index '{}'", index_path.display()))?;
 
+    let image = if let Some(path) = &cfg.image {
+        let path = entry.path().join(path);
+        if let Ok(data) = fs::read(&path).await {
+            // Druid somehow doesn't return an error compatible with eyre, here.
+            // So we have to wrap through `Display` manually.
+            let img = match ImageBuf::from_data(&data) {
+                Ok(img) => img,
+                Err(err) => {
+                    let err = Report::msg(err.to_string());
+                    return Err(err)
+                        .wrap_err_with(|| {
+                            format!("Failed to import image file '{}'", path.display())
+                        })
+                        .with_suggestion(|| {
+                            "Supported formats are: PNG, JPEG, Bitmap and WebP".to_string()
+                        });
+                }
+            };
+
+            Some(img)
+        } else {
+            None
+        }
+    } else {
+        None
+    };
+
     let packages = files
         .into_iter()
         .map(|(name, files)| Arc::new(PackageInfo::new(name, files.into_iter().collect())))
         .collect();
-    let info = ModInfo::new(cfg, packages);
+    let info = ModInfo::new(cfg, packages, image);
     Ok(info)
 }
 
diff --git a/crates/dtmm/src/state/data.rs b/crates/dtmm/src/state/data.rs
index 779b67c..34ab92d 100644
--- a/crates/dtmm/src/state/data.rs
+++ b/crates/dtmm/src/state/data.rs
@@ -2,7 +2,7 @@ use std::{path::PathBuf, sync::Arc};
 
 use druid::{
     im::{HashMap, Vector},
-    Data, Lens, WindowHandle, WindowId,
+    Data, ImageBuf, Lens, WindowHandle, WindowId,
 };
 use dtmt_shared::ModConfig;
 
@@ -69,11 +69,16 @@ impl From<dtmt_shared::ModDependency> for ModDependency {
     }
 }
 
-#[derive(Clone, Data, Debug, Lens, PartialEq)]
+#[derive(Clone, Data, Debug, Lens)]
 pub(crate) struct ModInfo {
     pub id: String,
     pub name: String,
-    pub description: Arc<String>,
+    pub summary: Arc<String>,
+    pub description: Option<Arc<String>>,
+    pub categories: Vector<String>,
+    pub author: Option<String>,
+    pub image: Option<ImageBuf>,
+    pub version: String,
     pub enabled: bool,
     #[lens(ignore)]
     #[data(ignore)]
@@ -85,13 +90,22 @@ pub(crate) struct ModInfo {
 }
 
 impl ModInfo {
-    pub fn new(cfg: ModConfig, packages: Vector<Arc<PackageInfo>>) -> Self {
+    pub fn new(
+        cfg: ModConfig,
+        packages: Vector<Arc<PackageInfo>>,
+        image: Option<ImageBuf>,
+    ) -> Self {
         Self {
             id: cfg.id,
             name: cfg.name,
-            description: Arc::new(cfg.description),
+            summary: Arc::new(cfg.summary),
+            description: cfg.description.map(Arc::new),
+            author: cfg.author,
+            version: cfg.version,
             enabled: false,
             packages,
+            image,
+            categories: cfg.categories.into_iter().collect(),
             resources: ModResourceInfo {
                 init: cfg.resources.init,
                 data: cfg.resources.data,
diff --git a/crates/dtmm/src/state/delegate.rs b/crates/dtmm/src/state/delegate.rs
index 506cbf8..73aa42d 100644
--- a/crates/dtmm/src/state/delegate.rs
+++ b/crates/dtmm/src/state/delegate.rs
@@ -259,6 +259,11 @@ impl AppDelegate<State> for Delegate {
                 Handled::Yes
             }
             cmd if cmd.is(ACTION_FINISH_SAVE_SETTINGS) => {
+                tracing::trace!(
+                    in_progress = state.is_save_in_progress,
+                    next_pending = state.is_next_save_pending,
+                    "Finished saving settings",
+                );
                 state.is_save_in_progress = false;
 
                 if state.is_next_save_pending {
diff --git a/crates/dtmm/src/ui/widget/controller.rs b/crates/dtmm/src/ui/widget/controller.rs
index 1bd7f6a..a7ff2f1 100644
--- a/crates/dtmm/src/ui/widget/controller.rs
+++ b/crates/dtmm/src/ui/widget/controller.rs
@@ -1,5 +1,7 @@
-use druid::widget::{Button, Controller, Scroll};
-use druid::{Data, Env, Event, EventCtx, Rect, UpdateCtx, Widget};
+use druid::widget::{Button, Controller, Image, Scroll};
+use druid::{
+    Data, Env, Event, EventCtx, ImageBuf, LifeCycle, LifeCycleCtx, Rect, UpdateCtx, Widget,
+};
 
 use crate::state::{State, ACTION_SET_DIRTY, ACTION_START_SAVE_SETTINGS};
 
@@ -48,18 +50,19 @@ impl<T: Data, W: Widget<T>> Controller<T, Scroll<T, W>> for AutoScrollController
         data: &T,
         env: &Env,
     ) {
+        child.update(ctx, old_data, data, env);
+
         if !ctx.is_disabled() {
             let size = child.child_size();
             let end_region = Rect::new(size.width - 1., size.height - 1., size.width, size.height);
             child.scroll_to(ctx, end_region);
         }
-        child.update(ctx, old_data, data, env)
     }
 }
 
 macro_rules! compare_state_fields {
     ($old:ident, $new:ident, $($field:ident),+) => {
-        $($old.$field != $new.$field) || +
+        $(!Data::same(&$old.$field, &$new.$field)) || +
     }
 }
 
@@ -86,3 +89,37 @@ impl<W: Widget<State>> Controller<State, W> for DirtyStateController {
         child.update(ctx, old_data, data, env)
     }
 }
+
+pub struct ImageLensController;
+
+impl Controller<ImageBuf, Image> for ImageLensController {
+    fn lifecycle(
+        &mut self,
+        widget: &mut Image,
+        ctx: &mut LifeCycleCtx,
+        event: &LifeCycle,
+        data: &ImageBuf,
+        env: &Env,
+    ) {
+        if let LifeCycle::WidgetAdded = event {
+            widget.set_image_data(data.clone());
+        }
+
+        widget.lifecycle(ctx, event, data, env);
+    }
+
+    fn update(
+        &mut self,
+        widget: &mut Image,
+        ctx: &mut UpdateCtx,
+        old_data: &ImageBuf,
+        data: &ImageBuf,
+        env: &Env,
+    ) {
+        if !Data::same(old_data, data) {
+            widget.set_image_data(data.clone());
+        }
+
+        widget.update(ctx, old_data, data, env);
+    }
+}
diff --git a/crates/dtmm/src/ui/window/main.rs b/crates/dtmm/src/ui/window/main.rs
index f48b5c3..c8d19a8 100644
--- a/crates/dtmm/src/ui/window/main.rs
+++ b/crates/dtmm/src/ui/window/main.rs
@@ -2,10 +2,10 @@ use std::sync::Arc;
 
 use druid::im::Vector;
 use druid::widget::{
-    Button, Checkbox, CrossAxisAlignment, Flex, Label, LineBreaking, List, MainAxisAlignment,
-    Maybe, Scroll, SizedBox, Split, TextBox, ViewSwitcher,
+    Button, Checkbox, CrossAxisAlignment, Flex, Image, Label, LineBreaking, List,
+    MainAxisAlignment, Maybe, Scroll, SizedBox, Split, TextBox, ViewSwitcher,
 };
-use druid::{lens, LifeCycleCtx};
+use druid::{lens, Data, ImageBuf, LifeCycleCtx};
 use druid::{
     Color, FileDialogOptions, FileSpec, FontDescriptor, FontFamily, Key, LensExt, SingleUse,
     TextAlignment, Widget, WidgetExt, WindowDesc, WindowId,
@@ -18,7 +18,9 @@ use crate::state::{
     ACTION_START_DEPLOY, ACTION_START_RESET_DEPLOYMENT,
 };
 use crate::ui::theme;
-use crate::ui::widget::controller::{AutoScrollController, DirtyStateController};
+use crate::ui::widget::controller::{
+    AutoScrollController, DirtyStateController, ImageLensController,
+};
 use crate::ui::widget::PathBufFormatter;
 
 lazy_static! {
@@ -124,7 +126,7 @@ fn build_mod_list() -> impl Widget<State> {
         },
         |state, infos| {
             infos.into_iter().for_each(|(i, new, _)| {
-                if state.mods.get(i).cloned() != Some(new.clone()) {
+                if Data::same(&state.mods.get(i).cloned(), &Some(new.clone())) {
                     state.mods.set(i, new);
                 }
             });
@@ -220,20 +222,64 @@ fn build_mod_details_info() -> impl Widget<State> {
                 // so that we can center-align it.
                 .expand_width()
                 .lens(ModInfo::name.in_arc());
-            let description = Label::raw()
+            let summary = Label::raw()
                 .with_line_break_mode(LineBreaking::WordWrap)
-                .lens(ModInfo::description.in_arc());
+                .lens(ModInfo::summary.in_arc());
 
-            Flex::column()
+            // TODO: Image/icon?
+
+            let version_line = Label::dynamic(|info: &Arc<ModInfo>, _| {
+                if let Some(author) = &info.author {
+                    format!("Version: {}, by {author}", info.version)
+                } else {
+                    format!("Version: {}", info.version)
+                }
+            });
+
+            let categories = Label::dynamic(|info: &Arc<ModInfo>, _| {
+                if info.categories.is_empty() {
+                    String::from("Uncategorized")
+                } else {
+                    info.categories.iter().enumerate().fold(
+                        String::from("Category: "),
+                        |mut s, (i, category)| {
+                            if i > 0 {
+                                s.push_str(", ");
+                            }
+                            s.push_str(category);
+                            s
+                        },
+                    )
+                }
+            });
+
+            let details = Flex::column()
                 .cross_axis_alignment(CrossAxisAlignment::Start)
                 .main_axis_alignment(MainAxisAlignment::Start)
                 .with_child(name)
                 .with_spacer(4.)
-                .with_child(description)
+                .with_child(summary)
+                .with_spacer(4.)
+                .with_child(version_line)
+                .with_spacer(4.)
+                .with_child(categories)
+                .padding((4., 4.));
+
+            let image =
+                Maybe::or_empty(|| Image::new(ImageBuf::empty()).controller(ImageLensController))
+                    .lens(ModInfo::image.in_arc());
+
+            Flex::column()
+                .main_axis_alignment(MainAxisAlignment::Start)
+                .must_fill_main_axis(true)
+                .cross_axis_alignment(CrossAxisAlignment::Start)
+                .with_child(image)
+                // .with_spacer(4.)
+                // .with_flex_child(details, 1.)
+                .with_child(details)
         },
         Flex::column,
     )
-    .padding((4., 4.))
     .lens(State::selected_mod)
 }
 
diff --git a/crates/dtmt/Cargo.toml b/crates/dtmt/Cargo.toml
index 8b210e5..6ed04de 100644
--- a/crates/dtmt/Cargo.toml
+++ b/crates/dtmt/Cargo.toml
@@ -30,6 +30,7 @@ tracing = { version = "0.1.37", features = ["async-await"] }
 zip = "0.6.3"
 path-clean = "1.0.1"
 path-slash = "0.2.1"
+async-recursion = "1.0.2"
 
 [dev-dependencies]
 tempfile = "3.3.0"
diff --git a/crates/dtmt/src/cmd/build.rs b/crates/dtmt/src/cmd/build.rs
index 523dccd..b8f23a8 100644
--- a/crates/dtmt/src/cmd/build.rs
+++ b/crates/dtmt/src/cmd/build.rs
@@ -201,6 +201,17 @@ fn normalize_file_path<P: AsRef<Path>>(path: P) -> Result<PathBuf> {
 pub(crate) async fn read_project_config(dir: Option<PathBuf>) -> Result<ModConfig> {
     let mut cfg = find_project_config(dir).await?;
 
+    if let Some(path) = cfg.image {
+        let path = normalize_file_path(path)
+            .wrap_err("Invalid config field 'image'")
+            .with_suggestion(|| {
+                "Specify a file path relative to and child path of the \
+                    directory where 'dtmt.cfg' is."
+                    .to_string()
+            })?;
+        cfg.image = Some(path);
+    }
+
     cfg.resources.init = normalize_file_path(cfg.resources.init)
         .wrap_err("Invalid config field 'resources.init'")
         .with_suggestion(|| {
@@ -349,14 +360,36 @@ pub(crate) async fn run(_ctx: sdk::Context, matches: &ArgMatches) -> Result<()>
         .wrap_err("Failed to build mod bundles")?;
 
     {
+        let path = out_path.join("files.sjson");
+        tracing::trace!(path = %path.display(), "Writing file index");
         let file_map = file_map.lock().await;
         let data = serde_sjson::to_string(file_map.deref())?;
-        let path = out_path.join("files.sjson");
         fs::write(&path, data)
             .await
             .wrap_err_with(|| format!("Failed to write file index to '{}'", path.display()))?;
     }
 
+    if let Some(img_path) = &cfg.image {
+        let path = cfg.dir.join(img_path);
+        let dest = out_path.join(img_path);
+
+        tracing::trace!(src = %path.display(), dest = %dest.display(), "Copying image file");
+
+        if let Some(parent) = dest.parent() {
+            fs::create_dir_all(&parent)
+                .await
+                .wrap_err_with(|| format!("Failed to create directory '{}'", parent.display()))?;
+        }
+
+        fs::copy(&path, &dest).await.wrap_err_with(|| {
+            format!(
+                "Failed to copy image from '{}' to '{}'",
+                path.display(),
+                dest.display()
+            )
+        })?;
+    }
+
     tracing::info!("Compiled bundles written to '{}'", out_path.display());
 
     if let Some(game_dir) = game_dir.as_ref() {
diff --git a/crates/dtmt/src/cmd/new.rs b/crates/dtmt/src/cmd/new.rs
index 77fa649..eb6a4f9 100644
--- a/crates/dtmt/src/cmd/new.rs
+++ b/crates/dtmt/src/cmd/new.rs
@@ -13,8 +13,28 @@ const TEMPLATES: [(&str, &str); 5] = [
         "dtmt.cfg",
         r#"id = "{{id}}"
 name = "{{name}}"
-description = "This is my new mod '{{name}}'!"
 version = "0.1.0"
+// author = ""
+
+// A one- or two-line short description.
+summary = "This is my new mod '{{name}}'!"
+// description = ""
+// image = "assets/logo.png"
+
+// Can contain arbitrary strings. But to keep things consistent and useful,
+// capitalize names and check existing mods for matching categories.
+categories = [
+    Misc
+    // UI
+    // QoL
+    // Tools
+]
+
+// A list of mod IDs that this mod depends on. You can find
+// those IDs by downloading the mod and extracting their `dtmt.cfg`.
+depends = [
+    DMF
+]
 
 resources = {
     init = "scripts/mods/{{id}}/init"
@@ -23,16 +43,12 @@ resources = {
 }
 
 packages = [
-    "packages/{{id}}"
-]
-
-depends = [
-    "dmf"
+    "packages/mods/{{id}}"
 ]
 "#,
     ),
     (
-        "packages/{{id}}.package",
+        "packages/mods/{{id}}.package",
         r#"lua = [
     "scripts/mods/{{id}}/*"
 ]
diff --git a/crates/dtmt/src/cmd/package.rs b/crates/dtmt/src/cmd/package.rs
index eab826c..f4d990e 100644
--- a/crates/dtmt/src/cmd/package.rs
+++ b/crates/dtmt/src/cmd/package.rs
@@ -1,12 +1,13 @@
-use std::ffi::OsString;
 use std::io::{Cursor, Write};
 use std::path::PathBuf;
+use std::sync::Arc;
 
 use clap::{value_parser, Arg, ArgMatches, Command};
 use color_eyre::eyre::{Context, Result};
 use color_eyre::Help;
 use path_slash::PathBufExt;
-use tokio::fs::{self, DirEntry};
+use tokio::fs;
+use tokio::sync::Mutex;
 use tokio_stream::wrappers::ReadDirStream;
 use tokio_stream::StreamExt;
 use zip::ZipWriter;
@@ -46,15 +47,45 @@ pub(crate) fn command_definition() -> Command {
         )
 }
 
-async fn process_dir_entry(res: Result<DirEntry>) -> Result<(OsString, Vec<u8>)> {
-    let entry = res?;
-    let path = entry.path();
-
-    let data = fs::read(&path)
+#[async_recursion::async_recursion]
+async fn process_directory<W: std::io::Write + std::io::Seek + std::marker::Send>(
+    zip: Arc<Mutex<ZipWriter<W>>>,
+    path: PathBuf,
+    prefix: PathBuf,
+) -> Result<()> {
+    zip.lock()
         .await
-        .wrap_err_with(|| format!("Failed to read '{}'", path.display()))?;
+        .add_directory(prefix.to_slash_lossy(), Default::default())?;
 
-    Ok((entry.file_name(), data))
+    let read_dir = fs::read_dir(&path)
+        .await
+        .wrap_err_with(|| format!("Failed to read directory '{}'", path.display()))?;
+
+    let stream = ReadDirStream::new(read_dir).map(|res| res.wrap_err("Failed to read dir entry"));
+    tokio::pin!(stream);
+
+    while let Some(res) = stream.next().await {
+        let entry = res?;
+        let in_path = entry.path();
+        let out_path = prefix.join(entry.file_name());
+
+        let t = entry.file_type().await?;
+
+        if t.is_file() || t.is_symlink() {
+            let data = fs::read(&in_path)
+                .await
+                .wrap_err_with(|| format!("Failed to read '{}'", in_path.display()))?;
+            {
+                let mut zip = zip.lock().await;
+                zip.start_file(out_path.to_slash_lossy(), Default::default())?;
+                zip.write_all(&data)?;
+            }
+        } else if t.is_dir() {
+            process_directory(zip.clone(), in_path, out_path).await?;
+        }
+    }
+
+    Ok(())
 }
 
 #[tracing::instrument(skip_all)]
@@ -75,14 +106,23 @@ pub(crate) async fn run(_ctx: sdk::Context, matches: &ArgMatches) -> Result<()>
     };
 
     let data = Cursor::new(Vec::new());
-    let mut zip = ZipWriter::new(data);
+    let zip = ZipWriter::new(data);
+    let zip = Arc::new(Mutex::new(zip));
 
-    zip.add_directory(&cfg.id, Default::default())?;
+    let path = cfg.dir.join(
+        matches
+            .get_one::<PathBuf>("directory")
+            .expect("parameter has default value"),
+    );
 
-    let base_path = PathBuf::from(cfg.id);
+    process_directory(zip.clone(), path, PathBuf::from(&cfg.id))
+        .await
+        .wrap_err("Failed to add directory to archive")?;
+
+    let mut zip = zip.lock().await;
 
     {
-        let name = base_path.join("dtmt.cfg");
+        let name = PathBuf::from(&cfg.id).join("dtmt.cfg");
         let path = cfg.dir.join("dtmt.cfg");
 
         let data = fs::read(&path)
@@ -93,30 +133,6 @@ pub(crate) async fn run(_ctx: sdk::Context, matches: &ArgMatches) -> Result<()>
         zip.write_all(&data)?;
     }
 
-    {
-        let path = cfg.dir.join(
-            matches
-                .get_one::<PathBuf>("directory")
-                .expect("parameter has default value"),
-        );
-        let read_dir = fs::read_dir(&path)
-            .await
-            .wrap_err_with(|| format!("Failed to read directory '{}'", path.display()))?;
-
-        let stream = ReadDirStream::new(read_dir)
-            .map(|res| res.wrap_err("Failed to read dir entry"))
-            .then(process_dir_entry);
-        tokio::pin!(stream);
-
-        while let Some(res) = stream.next().await {
-            let (name, data) = res?;
-
-            let name = base_path.join(name);
-            zip.start_file(name.to_slash_lossy(), Default::default())?;
-            zip.write_all(&data)?;
-        }
-    };
-
     let data = zip.finish()?;
 
     fs::write(&dest, data.into_inner())
diff --git a/lib/dtmt-shared/src/lib.rs b/lib/dtmt-shared/src/lib.rs
index 17b8d92..d556fdf 100644
--- a/lib/dtmt-shared/src/lib.rs
+++ b/lib/dtmt-shared/src/lib.rs
@@ -33,12 +33,17 @@ pub enum ModDependency {
 #[derive(Clone, Debug, Default, Deserialize)]
 pub struct ModConfig {
     #[serde(skip)]
-    pub dir: std::path::PathBuf,
+    pub dir: PathBuf,
     pub id: String,
     pub name: String,
-    pub description: String,
+    pub summary: String,
+    pub description: Option<String>,
+    pub author: Option<String>,
     pub version: String,
-    pub packages: Vec<std::path::PathBuf>,
+    pub image: Option<PathBuf>,
+    #[serde(default)]
+    pub categories: Vec<String>,
+    pub packages: Vec<PathBuf>,
     pub resources: ModConfigResources,
     #[serde(default)]
     pub depends: Vec<ModDependency>,