RSS URL or Atom?

Is there a RSS or Atom that can be used to show a particular artists footage in something like the Google sidebar widget?

Nerd :-)

I don't even know what a RSS or Atom is. I just loaded the Google sidebar and it has an option to run videos using these strange name.. Me a Nerd .. hardly just look at all the posts about me breaking Filezilla this week ;). Sometimes I wish I had a little portable pocket Nerd with me ;)

The widget have to use something like this.