Once you enter a query and hit search you can then filter the results to:

1. Search for streaming Flash or Divx videos (from numerous hosts).
2. Search various video directories.
3. Search The DailyFlix forums & more.

Check out the Tools and Tips pages for help and info.

Footsu has a search plug-in for Firefox. You can add it by using the drop-down menu next to the search field in Firefox or by visiting its addon listing here.

Read about it here.