Search for creative commons licensed images using these sites.
Compfight Search engine http://www.compfight.com/
Pics4learning http://www.pics4learning.com/
Google Advanced Search Click on the Date, usage rights, link in the middle of the page to open the page...then under the field for usage right...choose the type of licensing you want to limit the search to. http://www.google.com/advanced_search?hl=en
Search engine for creative commons images Ookaboo
Copyright Friendly Wiki Links to search engines and sites where copyright friendly and creative commons licensed content can be accessed. http://copyrightfriendly.wikispaces.com/
CC Mixter Search for creative commons music to use, edit, remix, etc. http://ccmixter.org/
Spinxpress Search engine for creative commons video, audio, or images. http://www.spinxpress.com/