freerangestock.com flickr.com has a place I believe, but I'm not sure on this one. I use some facebook photos my friends let me use. Just by simply asking. If I think of more I can share.
My favorite stock photo website is http://www.photo-wizard.net Here is where you can find some other inexpensive stock photo directories: http://www.small-business-software.net/stock-photography.htm Another site list can be found here: http://www.webmaster-elements.com/webmaster-graphics/photos.htm Goodluck