Spffy

Spffy is a great way to find free images. The site indexes some of the most prestigious stock photography agencies such as StockPhotoFinder, Corbis, Jupiter Images, Fotolia, NASA and Super Stock. For video and footage, Spffy searches YouTube, AOL Video, Live Video StockMotionFinder and others. Visitors have different ways to search: via a dedicated stock photos image resource search, web photos (flickr especially), or in the public domain. Prices many vary depending on source of image.

http://www.spffy.com/