Facebook Widget dont work

Hi,
today I made a blog with your nice Yummyblog Theme, all is ok, but the Facebook Widget dont work. I use the right URL to my FB Account, but the Widget show me crap. Watch yourself at http://vadderland.comuf.com.
Last Question: How I can change the Fonts for the Mainmenue?

Thy for help.
vadder

Hi!

You must specify an URL of your group in the Facebook, but not your personal page.