Eric Hamiter, author of several FireFox extensions is soliciting ideas for his next extension:

Lets have a brainstorming session. Ive been tinkering around with a few old ideas that are going nowhere, and its been ages since Ive released an extension.

After hearing a lot about grease monkey I finally got around to installing it and playing with it, and it's pretty cool!.

What is greasemonkey?

It's simply a firefox extension that allows you to run JavaScript User Scripts when the current page matches a URL pattern specified.