Objective: To find a decent sized collection of stock photos that are in the public domain or have expired copyrights. Results: EveryStockPhoto Search Engine - Nice interface, giant collection of public domain stock photos Public Domain Photos .com - well organized collection of public domain photos. Wikipedia Public Domain Photos - contains a wide collection of public domain photos. National Fish & Wildlife Service - contains lots of nature photos HubbleSite - space photos from NASA Gimp-Savvy - aggregation of photos from many government public domain photos