Do you remember Jetpack?
It is the Mozilla Labs project that makes the add-on building process easier, mixing elements of HTML, CSS and JavaScript.  Mozilla has released an awesome Jetpack Gallery, which serves as a community for Jetpack developers and add-on users.

Well, I put out the request to one and all to see what you have done to customize Firefox, and I got tons of responses.  It is always interesting to see how others are using Firefox to fit their needs – and how creative people get when it comes to moving around the basic toolbars and general interface of the browser.
Here are the best of the bunch!  Thanks to everybody who submitted!

via Twister MC

via Kaitlin

via Eren

The folks over at Download.com have posted a pretty nice round up of the best themes out there for Firefox. Did they miss your favorite? Let me know!
Our first Firefox theme gallery offered new ways for surfing the Web with Firefox 1.5, but not all of those themes came along with the recent upgrade to Firefox 2. We’ve dug deep to find the best and the brightest themes for the new version of the open-source browser. A few [...]