For Remix Project
- Do an advanced search on Flickr for Creative Commons licensed photos.
- Use a free stock photo site, such as stock.xchng
- http://www.dafont.com: A site that allows you to browse for hundreds of free fonts, plus you can type text in and see what it looks like in the various fonts.
Music and Sound
- freeplaymusic.com (music)
- ccmixter (music)
- jamendo.com (music)
- freesound (Creative Commons licensed sound effects)
- yahoo creative commons search (images, music, and video)
- prelinger archive (video)
Free sites for file conversion (e.g. YouTube files to .mp3 audio files or iTunes .mp4 files to .mp3 files)
- http://snipmp3.com (converts video to audio/mp3 files)