Make Your Own Mashups
Youtube downloader: This free utility downloads YouTube videos in Flash format
TubeTV - downloads Youtube videos and converts to MP4
Videovangelist - Nifty video converter
EveryStockPhoto.com - Search engine that can be used to find free images on the web.
Incompetech is a collection of Creative Commons licensed music.
Creative Commons provides a convenient way to access search engines that include CC licensed materials.
Wikimedia Commons is a media repository for public domain and freely-licensed educational media content (images, sound and video clips).
Handbrake - rip and convert DVDs to MP4 movies (for iPod)