Art spawn
Free backgrounds for use in web pages and art projects, art - web forum
http://www.artspawn.com/

Buddy-Icons.info
Buddy icons, smileys, away messages, etc for AIM, Yahoo, MSN messangers.
http://www.buddy-icons.info

Icon Republic
Icon Republic offers icons designed for desktop-, mobile- and web applications. For every 5 stock icons you buy, you get 1 free. Also try our custom icon design service.
http://www.iconrepublic.com

Map Resources
Sells digital map clip art of world, globe, United States and major USA and world city vector maps for designers of print, multimedia and Web graphics. Maps available in Adobe Illustrator formats.
http://www.mapresources.com/