Free Pixels

Free stock photos and images at freepixels.com.

Be sure to read the terms of use before you download any picture.

freepixels.com

http://www.freepixels.com

MiniBük

Publish your own small book with MiniBük. A "bite-sized book for busy people."

http://minibuk.com/index.php

New Old School Photos

Vintage photos, free of known copyright restrictions, from the public archives. 

http://nos.twnsnd.co/

Public Domain Pictures

"PublicDomainPictures.net is a repository for free public domain images. Download high quality HD photos or upload your own. Make money from your hobby, gain popularity and improve your photographic and graphic skills.
If you intend to use an image you find here for commercial use, please be aware that some photos do require a model or property release."

http://www.publicdomainpictures.net/