diff --git a/README.md b/README.md
new file mode 100644
index 0000000..c368441
--- /dev/null
+++ b/README.md
@@ -0,0 +1,24 @@
+# GZDoom Flatpak edition #
+
+## Installation of gamedata ##
+* Copy any commercial iwad into the folder `~/.config/gzdoom/`
+* Optionally, configure the `~/.config/gzdoom/gzdoom.ini` file to load other directories
+
+## Run with custom wads
+Just as with the standalone GZDoom, you can pass commands through
+```
+flatpak run org.zdoom.GZDoom -file ~/.config/gzdoom/pwads/PL2.WAD
+
+cd ~/.config/gzdoom/pwads/
+flatpak run org.zdoom.GZDoom -file ./PL2.WAD
+```
+
+For more info, see
+* https://zdoom.org/wiki/Command_line_parameters
+* https://zdoom.org/wiki/Installation_and_execution_of_ZDoom
+
+## Accessing files on unconventional spots ##
+```
+flatpak override org.zdoom.GZDoom --filesystem=/OTHER/LOCATION/WITH/WADS --user
+```
+ 
diff --git a/org.zdoom.GZDoom.yaml b/org.zdoom.GZDoom.yaml
index 7529434..5d25e5e 100644
--- a/org.zdoom.GZDoom.yaml
+++ b/org.zdoom.GZDoom.yaml
@@ -13,17 +13,16 @@ finish-args:
 - --share=ipc
 - --socket=pulseaudio
 
-# For SSGL
-- --talk-name=org.gnome.GConf
-#- --filesystem=xdg-run/dconf
-#- --filesystem=~/.config/dconf:ro
-#- --talk-name=ca.desrt.dconf
-#- --env=DCONF_USER_CONFIG_DIR=.config/dconf
+# Where would wads be?
+- --filesystem=xdg-desktop:ro
+- --filesystem=xdg-documents:ro
+- --filesystem=xdg-download:ro
+# Screenshots
+- --filesystem=xdg-pictures
 
-#based on GZDoom
+# Based on GZDoom
 - --env=DOOMWADDIR=/app/share/games/doom
 - --persist=.config/gzdoom
-- --persist=.config/SSGL
 
 cleanup:
 - /app/include
@@ -90,30 +89,28 @@ modules:
     url: https://github.com/freedoom/freedoom/releases/download/v0.11.3/freedoom-0.11.3.zip
     sha256: 28a5eafbb1285b78937bd408fcdd8f25f915432340eee79da692eae83bce5e8a
   build-commands:
-  - ls -la
   - install -Dm 644 freedoom2.wad /app/share/games/doom
   - install -Dm 644 freedoom1.wad /app/share/games/doom
-  - ls -la /app/share/games/doom
 
 - name: shareware
+  disabled: true
   buildsystem: simple
   sources:
-  - type: extra-data
-    filename: doom1.wad
-    url: http://distro.ibiblio.org/pub/linux/distributions/slitaz/sources/packages/d/doom1.wad
-    strip-components: 0
-    sha256: 1d7d43be501e67d927e415e0b8f3e29c3bf33075e859721816f652a526cac771
-    size: 4196020
+  - type: archive
+    filename: doom1.zip
+    url: http://downloads.zdaemon.org/wads/doom1.zip
+    sha256: a86396fc9f8bca0e07caec3ef324786ab967995cf94690d077d94784fae2cae4
+    size: 1756172
   build-commands:
   - ls -la
-  - #install -Dm 644 doom1.wad /app/share/games/doom
+  - install -Dm 644 doom1.wad /app/share/games/doom
 
 - name: launcher
   buildsystem: simple
   sources:
   - type: script
     commands:
-    - gzdoom +fluid_patchset /app/share/sounds/sf2/gzdoom.sf2 -file lights.pk3 brightmaps.pk3  $@
+    - gzdoom +fluid_patchset /app/share/sounds/sf2/gzdoom.sf2 -file lights.pk3 brightmaps.pk3 $@
     dest-filename: gzdoom.sh
   - type: file
     path: org.zdoom.GZDoom.desktop