Free Image Sources
Flickr Search Engines
Compfight -  Creative Commons Search Engine
Flickr Storm - History and and tool tray options
behold - Very easy and clean search engine
picishare - Search by keywords or tags
liteflick - Showcases 80 images at a time
Multicolr Search Lab - Search by color with Piximilar
Filter - Select - Share
Created with Share Kathy Adkins updated 09.05.12
Image Source - istockphoto