Free Images

CC Search - Search for Creative Commons-licensed media including images, music and movies

FreeRangeStock provides free stock images -- free membership required.

Morguefile.com - includes free, Creative-Commons-licensed photos and paid photos.

Perry-Castañeda Library Map Collection -- Free map images

Realia Project - images from around the world, designed for use in language instruction. Non-commerical use only.

Search Flickr.com for Creative Commons-licensed images.