These resources are not exhaustive but rather a place to start.
Images: These resources allow for use under specific Creative Commons licenses:
Multimedia: media files available for use under Creative Commons licenses.
- Sound Cloud - Creative Commons
- ccMixter - Music on this site is licensed under a Creative Commons license. You are free to download and sample from music on this site and share the results with anyone, anywhere, anytime. Some songs might have certain restrictions, depending on their specific licenses. Each submission is marked clearly with the license that applies to it.
- Wikimedia Commons - Wikimedia Commons is a media file repository making available public domain and freely-licensed educational media content (images, sound and video clips) to everyone, in their own language.