EveryStockPhoto.com – Search Engine for Free Photos
http://www.everystockphoto.com/

They are a search engine for free photos. These come from many sources and are license-specific. You can view a photo’s license by clicking on the license icon, below and left of photos. Membership is free and allows you to rate, tag, collect and comment on photos. Now searching: 22,666,017 free photos. This will be added to the tools section of Research Resources Subject Tracer™. This will be added to Entrepreneurial Resources Subject Tracer™.