Anne Leonard sent me the link to this humorous video on copyright:
A Fair(y) Use Tale
http://www.youtube.com/watch?v=CJn_jC4FNDo&eurl=http%3A%2F%2Fchronicle%2Ecom%2Fwiredcampus%2Findex%2Ephp%3Fid%3D2088

There's more to YouTube than cats playing the piano ... ;)