GNU OS (GNU Operating System)
1920x1080 (16:9 aspect ratio) 668 K jpg
1920x1080 (16:9 aspect ratio) 2.6 MB png
Created for my 1920x1080 widescreen monitor,
this wallpaper is great for a boot splash and/or a desktop wallpaper. Reads "GNU OS/GNU's Not Unix/Licensed for Freedom"
in Trisquel blue
and features the GNU OS smiling gnu head.
Also available in a smaller cropped 1024x600 (10:6 aspect ratio) version
originally created for the Lemote YeeLoong 8101B.
the GNU operating system
This is the only other "GNU OS" background that I could find, done by Momez (Licensing unknown).
A 1600x1200 png file, 213 K.
(Found in khany's trisquel_artwork archive.)
Reads "Freedom to run, copy, distribute, study, change and improve/'Free software' is a matter of liberty, not price/Free Software Foundation/the GNU operating system"
and features the smiling gnu head.
More GNU Wallpapers at gnu.org