Skins Mozilla
https://addons.mozilla.org/en-US/firefox/addon/6070
https://addons.mozilla.org/en-US/firefox/addon/4988
https://addons.mozilla.org/en-US/firefox/addon/4908
https://addons.mozilla.org/en-US/firefox/addon/6028
Add-Ons
LinkedIn Companion for Firefox
https://addons.mozilla.org/en-US/firefox/addon/1512
Clipmarks
https://addons.mozilla.org/en-US/firefox/addon/1407
BlogRovr
https://addons.mozilla.org/en-US/firefox/addon/4689
Forecastfox
https://addons.mozilla.org/en-US/firefox/addon/398
Greasemonkey
https://addons.mozilla.org/en-US/firefox/addon/748