So I've been dropping some clips on here from Google Video and YouTube, though I want you to know, I rarely, rarely ever look at those sites because they are timekillers. However, they are pretty useful for posting student work.
Here are some clips from current and former students of mine:
Lazy Bear Productions
Anvil Fever
It seems that most people prefer to have their stuff on Google, though it seems that YouTube turns a blind eye to copyright infringement, which leads to more availability of famous clips from television.
Here is my favorite random thing from Google: