Documentation

FAQ Answers to frequently asked questions.	Keyboard and Mouse Shortcuts Complete reference of the quickest ways to get things done in Firebug.
Command Line API Learn about special functions you can use on the command line.	Console API Learn about special functions you can call from web pages.
Firebug Lite How to use Firebug in Internet Explorer, Safari, Opera, and other browsers.

Videos

• Joe Hewitt gives a talk on advanced features of Firebug
• Jim Plush's Firebug screencasts
• Jesse Newland's Firebug screencast

More...

• Estelle Weyl's Introduction to Firebug
• Justin Palmer's tutorial on Firebug JavaScript debugging
• John Barton's introduction to the Firebug source