One of the better online features is Television Week’s “Daily Viral Video,” where they present the most viewed video clips on the most popular video sites, and an editors choice. Once you subscribe, you get distracted daily with an e-mail. Great way to keep people coming back.
As far as online videos, I like some of the old film clips, such as this one from History of the World, Part 1: the Last Supper scene:
[youtube=http://www.youtube.com/watch?v=2skwoHvw-3w]