This guide will inform you on copyright and issues pertaining to the use of copyrighted materials. It will not supply legal advice nor is it intended to replace the advice of the office of General Counsel. If you cannot find the answer to your question
The Florida Center for Instructional Technology collection of clipart for use in non-commercial, non defamatory educational projects subject to minor restrictions.
"Each artist at Openclipart releases all rights to the images they share at Openclipart." Images are free to use for any purpose, commercial and non commercial.
Images and videos on Pixabay are released free of copyrights under Creative Commons CC0 and can be downloaded, modified, distributed, and used them royalty-free.
A community music site featuring remixes licensed under Creative Commons where you can listen to, sample, mash-up, or interact with music in whatever way you want.
By appending “, creativecommons” (including the comma) to the end of your search term, you can filter for YouTube videos released with a creative commons license.
Videvo offers stock video footage and motion graphics for use in any project, commercial or non-commercial, through use of its own license or CC 3.0 license.