Web Tweaks Essentials
About this Collection
Extensions that effect the way you view a webpage
4 Add-ons in this Collection
Greasemonkey by Anthony Lieuallen, Aaron Boodman, others
Restyle the web with Stylish, a user styles manager. Stylish lets you easily install themes and skins for Google, Facebook, YouTube, Tumblr, and many, many other sites. You can even customize Firefox and other programs themselves.
Automatically find user scripts on Userscripts.org (requires Greasemonkey or Scriptish)
StyleSheet Chooser Plus (aka SSCP) persists choice of website stylesheets.