Any website that lets you download free videos and photos to use as a backround for a green screen for free would be helpful.

Best Answer - Chosen by Voters

You just need to Google search for 'Creative Common' license. Flickr even has a lot of Creative Common pics you can use.

http://www.flickr.com/creativecommons/

istockphoto.com also has a video search section. You have to pay for those.. but for $20, you can get a couple very high quality vids to use and piece some of your original stuff together. Best stock video prices out there that I've found. 100% 1 Vote