AOL Video Save
Comprehensive search engine for audio, video, and MP3.
http://video.aol.com/   

Blinkx Save
Search for video and audio clips, using standard keyword and Boolean queries, or conceptual search. Smart Folders will store media clips on your computer and scan the web automatically for similar ones.
http://www.blinkx.tv/   

RadioScout Save
Search engine for public radio content.
http://radioscout.org/   

Truveo Save
Online video search engine.
http://www.truveo.com/   

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