Use these websites to find copyright free images for any of your projects.

No limitations on these pictures! You need to right-click and copy these instead of creating an account.

Growing collection, still has some great free pictures to use.

Alegri Photos
You can search under specific categories on this site.

Best Photos
Hard to navigate through this site, but still has some great photos.

Search by category, doesn't have much. What it does have, is pretty good.

Every Stock Photo