Vinux is an Ubuntu derived distribution for blind & visually impaired.
Uses Wikimedia picture of the day for desktop wallpaper
KaarPux - Linux/GNU/GNOME build from source
The Utah Raster Toolkit 3.0, patchlevel 2
Desktop Linux - custom built on Debian/Ubuntu/Mint upstream codebases
Create random JPG wallpaper from a user updatable list of webcams
Add manually-installed applications to GNOME Shell
Gelide, a configurable frontend for desktops.