diff --git a/flake.nix b/flake.nix
index 3d51203..c544235 100644
--- a/flake.nix
+++ b/flake.nix
@@ -71,6 +71,7 @@
           python313Packages.tomlkit
           python313Packages.pip
           unzip
+          appstream
           libcosmicAppHook
         ];
 
diff --git a/justfile b/justfile
index 0426446..6d368e3 100644
--- a/justfile
+++ b/justfile
@@ -75,9 +75,13 @@ install-flatpak-builder-tools:
 
 flatpak-gen-manifest: install-flatpak-builder-tools
     python3 flatpak-builder-tools/cargo/flatpak-cargo-generator.py Cargo.lock -o cargo-sources.json
+    python3 flatpak-builder-tools/cargo/flatpak-cargo-generator.py mupdf/Cargo.lock -o mupdf-cargo-sources.json
 
 flatpak-build:
     flatpak-builder --install --user --force-clean build-dir xyz.cochrun.lumina.yml
 
+flatpak-shell:
+    flatpak-builder --run build-dir xyz.cochrun.lumina.yml sh
+
 alias fb := flatpak-build
 alias fs := flatpak-setup
diff --git a/res/xyz.cochrun.lumina.desktop b/res/xyz.cochrun.lumina.desktop
index 460405c..d5f9101 100644
--- a/res/xyz.cochrun.lumina.desktop
+++ b/res/xyz.cochrun.lumina.desktop
@@ -4,7 +4,7 @@ Type=Application
 
 Name=Lumina
 Comment=A church presentation app that is built to be simple to use.
-Categories=Office;AudioVideo;Player;
+Categories=Graphics;
 
 Icon=lumina
 Exec=lumina -i
diff --git a/res/xyz.cochrun.lumina.metainfo.xml b/res/xyz.cochrun.lumina.metainfo.xml
index d3a4416..0f7642d 100644
--- a/res/xyz.cochrun.lumina.metainfo.xml
+++ b/res/xyz.cochrun.lumina.metainfo.xml
@@ -17,13 +17,13 @@
   <launchable type="desktop-id">xyz.cochrun.lumina.desktop</launchable>
   <screenshots>
     <screenshot type="default">
-      <image>https://git.tfcconnection.org/chris/lumina/raw/branch/master/res/images/screenshot_2026-04-10_15-34-28.png</image>
+      <image>https://git.tfcconnection.org/chris/lumina/raw/branch/master/res/images/screenshot_2026-05-03_08-16-59.png</image>
     </screenshot>
     <screenshot>
-      <image>https://git.tfcconnection.org/chris/lumina/raw/branch/master/res/images/screenshot_2026-04-10_15-34-55.png</image>
+      <image>https://git.tfcconnection.org/chris/lumina/raw/branch/master/res/images/screenshot_2026-05-03_08-23-08.png</image>
     </screenshot>
     <screenshot>
-      <image>https://git.tfcconnection.org/chris/lumina/raw/branch/master/res/images/screenshot_2026-04-10_15-35-14.png</image>
+      <image>https://git.tfcconnection.org/chris/lumina/raw/branch/master/res/images/screenshot_2026-05-03_08-23-23.png</image>
     </screenshot>
   </screenshots>
 </component>
diff --git a/xyz.cochrun.lumina.yml b/xyz.cochrun.lumina.yml
index 35196e0..9e6f13d 100644
--- a/xyz.cochrun.lumina.yml
+++ b/xyz.cochrun.lumina.yml
@@ -3,7 +3,7 @@ runtime: org.freedesktop.Platform
 runtime-version: '25.08'
 sdk: org.freedesktop.Sdk
 sdk-extensions:
-  - org.freedesktop.Sdk.Extension.rust-nightly
+  - org.freedesktop.Sdk.Extension.rust-stable
   - org.freedesktop.Sdk.Extension.llvm22
 base: com.system76.Cosmic.BaseApp
 command: lumina -i
@@ -15,7 +15,32 @@ finish-args:
   - --share=network
   - --filesystem=xdg-documents
   - --filesystem=xdg-config/cosmic:rw
+  - --filesystem=xdg-data/lumina:rw
+  - --filesystem=xdg-cache/lumina:rw
+build-options:
+  append-path: /usr/lib/sdk/rust-stable/bin:/usr/lib/sdk/llvm22/bin
+  # append-path: /usr/lib/sdk/llvm22/bin
+  prepend-ld-library-path: /usr/lib/sdk/llvm22/lib
+  env:
+    CARGO_HOME: /run/build/lumina/cargo
+    LIBCLANG_PATH: /usr/lib/sdk/llvm22/lib
+    BINDGEN_EXTRA_CLANG_ARGS: -I/usr/lib/sdk/llvm22/lib/clang/22/include
+    PKG_CONFIG_PATH: /app/lib64/pkgconfig:/app/lib/pkgconfig:/app/share/pkgconfig:/usr/lib/pkgconfig:/usr/share/pkgconfig
+    DATABASE_URL: sqlite://./test.db
+    # CC: gcc
+    # CXX: g++
+    # CARGO_NET_OFFLINE: 'true'
 modules:
+  # - name: mupdf-rs
+  #   buildsystem: simple
+  #   build-commands:
+  #     - cargo build --offline --release
+  #   sources:
+  #     - type: git
+  #       url: https://github.com/messense/mupdf-rs.git
+  #       commit: 902d44bf7becfc84f8349c524cb8acfb18a6f3d4
+  #     - mupdf-cargo-sources.json
+
   - name: lumina
     buildsystem: simple
     build-options: