The links below offer media for almost any project you want to make. Just remember to read the terms for each site. If you use footage from the clip databases, check that your use is fair under copyright law.
This list is ongoing, so keep an eye out for new links!
Free Music Archive
Search by genre. Takes some digging, but you can find great stuff.
Search by genre, instrument, or mood.
One artist, tons of variety. Free for commercial use as well.
YouTube Audio Library
Search by genre, instrument, or mood. Mostly good stuff, less junk to search through.
Flickr Creative Commons
Photos from a variety of Creative Commons categories. Make sure to check the license on the photo you want to use for specific terms.
Google Advanced Image Search
Select what you’re looking for in the “usage rights” dropdown.
High-quality public domain images.
Free Video Footage
Some downloads require a membership, but that’s also free.
Search more than 12,000 short scenes from TV and film by movie, actor, genre, action, dialog, theme…
Large selection, although with a bulky interface and a commercial focus.
Free Sound Effects
A huge, searchable collection of creative commons sounds found or recorded by users.
Public domain clipart for both commercial and noncommercial projects