GNOME: The Free Software Desktop Project
YARB (yet another rose background) by Robin Liang CC BY-SA 172,022 downloads

PowerPoint Backgrounds and Stock Photos | Background Art
PowerPoint presentation background graphics for business, school, government, religious groups, and personal use. All original designs.

Backgrounds and Textures - free clip art
a review of the best sites for free backgrounds and textures on the internet.

Pre-Printed Background Art Image Gallery
Bedtime Prayers II Black Boy.jpg

GNOME: The Free Software Desktop Project
Art; Themes; Backgrounds; FAQ ... Another blue by ricky Free Art License 100,107 downloads