Backgrounds & Textures

FreeImages.co.uk

Free images is a high quality resource of digital stock photographic images for use by all.
All images are free to use on websites and printed materials.
http://www.freeimages.co.uk/index.htm

Netscape Background Sampler

As the title suggests a "sampler" of backgrounds.
http://home.netscape.com/assist/net_sites/bg/backgrounds.html

ER Backgrounds & Textures

Over 375 backgrounds and textures indexed in 12 easy to use different groups. A Texture View has been added to the Background section to allow you to evaluate what the texture would look like on a page.
http://www.ender-design.com/rg/backidx.html

30 Great Free Paper Backgrounds and Textures

One of the best free stuff Graphic Designers can find on the Web for free are high resolution backgrounds and textures.
http://www.creativecloseup.com/30-great-free-paper-backgrounds-and-textures

OneOddDude.net

OneOddDude.net is an ever-growing collection of desktop backgrounds, nature and landscape photography, stock photos, computer artwork, downloads, and high resolution textures.
http://www.oneodddude.net/