How do you find videos on the web related to some topic? The Youtube website is probably a good place to start but if you confine the search only to YouTube, you will miss so much exciting stuff that exists in other places. 

Google Video, MySpace, DailyMotion, iFilm, Metacafe, Revver, Veoh, Reuters, Yahoo! Videos, BrightCove, MSN Soapbox, AOL, Grouper...these video sharing websites may not be as big as YouTube but they still have a great fan following and host tons of video clips that may well be of your interest.

We often ignore searching video content on these "non-YouTube"