Where to Start Your Art

According to Duke Law School's Center for the Study of the Public Domain, here are a few places you can get materials to work with that are either in the public domain, or licensed under Creative Commons licenses

• Prelinger Archives - public domain digital video
• Opsound - an archive of hundreds of sounds and songs, all offered under a Creative Commons attribution, share-alike license
• Commoncontent.org - a registry of various Creative Commons licensed works