Free Images for Any Use

Here is a list of my favorite websites for free stock photos. Some may have different policies so please check the copyright information before downloading an image however they are all easy to use and completely (if not almost 100%) free to use.

General Databases:
www.sxc.hu
www.public-domain-photos.com
www.everystockphoto.com
www.freefoto.com

Specific Databases:
http://commons.wikimedia.org/ (Large collection of public domain images including portraits, currency, and photgraphs)
http://teachpol.tcnj.edu/amer_pol_hist/_browse.htm (Images of American Political History)
www.fromoldbooks.org (Illustrations and Photos)
www.oldbookillustrations.com (Illustrations and Photos)
www.library.northwestern.edu/govinfo/collections/wwii-posters/ (WWII posters)
www.ibiblio.org/wm/ (Art images)
http://cgfa.dotsrc.org (Art images)
www.picapp.com (Celebrity images -hosted images, not for download)
www.socwall.com (Desktop Wallpaper - very inspiring)
www.redlipsdesign.com/freewallpaper.html (Desktop Wallpaper)