Code:
http://www.letsgeek.net/2010/05/10-free-stock-photography-sites-to-spice-up-your-blog/
http://www.webdesignish.com/best-sites-for-finding-royalty-free-stock-photos.html
http://www.hongkiat.com/blog/30-websites-for-stock-photos-and-royalty-free-images/
^^^ some cheap, some free, and some quite pricey, but they are all there