Copyright Free Stuff
Most of the media in these collections are attached to generous copyright licensing. (See Creative Commons Licensing.) Though you may not need to ask permission to use them when publishing on the Web for educational purposes, you should cite or attribute these images to their creators unless otherwise notified! If you see any copyright notices on these pages, read them for further instructions. Also visit our new Thumbnail list. Note: always check individual licensing notices before publishing on the Web or broadcasting!

And for guidance in using copyrighted materials, consult the Code of Best Practices in Fair Use for Media Literacy Education and the Copyright Advisory Network.
Consider using the Fair Use Reasoning Tool and the other learning materials on the Copyright Confusion Wiki.

Copyright Friendly Picture, Music and Sound Clip Sites
Check Creative Commons at 
Explains the how and where of finding music on the net for your videos

1. Go to my site
2. Search for sound files
3. You'll get a lot of really good hits.
Finding Dulcinea has a very comprehensive page on finding and using free
sound effects on the Web. The page is found here :
Click on "Finding Free Content Online" for some great resources!

Another good one is stock.xchng. ( They were just bought by Getty Images.

*****Double check sites for any changes in copyright details or requirements.