Firefox is a great web browser but sometimes it needs a little more awesomeness thrown in. So begins the list of Awesomest Firefox Extensions (in no particular order unless specified)

All Customized Links https://addons.mozilla.org/firefox/1920/

Adblock Plus https://addons.mozilla.org/firefox/1865/

Video Downloader https://addons.mozilla.org/firefox/2390/

Download Statusbar https://addons.mozilla.org/firefox/26/

Forecast Fox https://addons.mozilla.org/firefox/398/

IE Tab https://addons.mozilla.org/firefox/1419/

FireFTP https://addons.mozilla.org/firefox/684/

DownThemAll https://addons.mozilla.org/firefox/201/

FoxyTunes https://addons.mozilla.org/firefox/219/

StumbleUpon (Very addictive and fun) https://addons.mozilla.org/firefox/138/

CoolIris Previews https://addons.mozilla.org/firefox/2207/

TabMix Plus https://addons.mozilla.org/firefox/1122/

Mouse Gestures https://addons.mozilla.org/firefox/39/

FoxLingo Toolbar https://addons.mozilla.org/firefox/2444/

ImageZoom https://addons.mozilla.org/firefox/139/

Firefox Extension Backup Extension (FEBE) https://addons.mozilla.org/firefox/2109/

An old favorite of mine, Download Embedded https://addons.mozilla.org/firefox/1993/

Yahoo Mail Notifier https://addons.mozilla.org/firefox/1264/

Alt-Text for Links http://roachfiend.com/archives/2005/03/03/alt-text-for-links/

Back is Close https://addons.mozilla.org/firefox/939/

Button Pack http://www.extensionsmirror.nl/index.php?showtopic=4684

Calculator http://calculator.mozdev.org/

Colorzilla https://addons.mozilla.org/firefox/271/

Domain Finder https://addons.mozilla.org/firefox/1836/

Findbar Basics http://www.tom-cat.com/mozilla/firefox/extensions-findbarbasics.html

Free eBook search https://addons.mozilla.org/firefox/1987/

IE Tab http://ietab.mozdev.org/installation.html

Linkification https://addons.mozilla.org/firefox/190/

Restart Firefox https://addons.mozilla.org/firefox/1249/

Tab Sidebar http://www.oxymoronical.com/web/firefox/TabSidebar

Torrentfinder toolbar http://www.torrent-finder.com/toolbar.php

Unhide Passwords https://addons.mozilla.org/firefox/462/

Weatherbug http://firefox.weatherbug.com/firefox/

X-Ray http://www.designmeme.com/2006/01/06/new-firefox-extension-x-ray/

Yoono https://addons.mozilla.org/firefox/1833/

For more extensions go to https:addons.mozilla.org/firefox/extensions/

Now for some themes:

Cobalt Firefox https://addons.mozilla.org/firefox/4382/

Redshift https://addons.mozilla.org/firefox/4521/

Metal Lion Vista (unless you hate Windows like me) https://addons.mozilla.org/firefox/4325/

MacFox 2 Graphite https://addons.mozilla.org/firefox/3430/

iFox Smooth https://addons.mozilla.org/firefox/1830/

MacFox 2 https://addons.mozilla.org/firefox/3174/

Go to https://addons.mozilla.org/firefox/themes/for more themes

Go to http://www.webether.com/macfox/ for info on how to modify userChrome.css for macfox