Linux, musical road-dogging, and daily life by Paul W. Frields
 
Another great add-on.

Another great add-on.

Courtesy of the inimitable Karsten Wade, and in response to Allen’s post, I’d like to add It’s All Text! to the list of good Firefox extensions. Karsten and I use this to call Emacs for doing editing of wiki pages — so important when you have a twitchy touchpad.