Firefox add-ons must have

1. AniWeather https://addons.mozilla.org/en-US/firefox/addon/aniweather/
2. CacheViewer https://addons.mozilla.org/en-US/firefox/addon/cacheviewer/
3. Forex Currency Converter https://addons.mozilla.org/en-US/firefox/addon/forex-currency-converter/
4. Firebug http://getfirebug.com/
5. Flash and Video Download https://addons.mozilla.org/en-US/firefox/addon/download-flash-and-video/
6. FlashGot https://addons.mozilla.org/en-US/firefox/addon/flashgot/
7. FoxClocks https://addons.mozilla.org/en-US/firefox/addon/foxclocks/
8. Live Gold https://addons.mozilla.org/en-US/firefox/addon/live-gold/
9. Mozilla Archive Format https://addons.mozilla.org/en-US/firefox/addon/mozilla-archive-format/
10. Multirow Bookmarks Toolbar https://addons.mozilla.org/en-US/firefox/addon/multirow-bookmarks-toolbar/, https://addons.mozilla.org/en-US/firefox/addon/multirow-bookmarks-toolbarplus/
11. NoSquint https://addons.mozilla.org/en-US/firefox/addon/nosquint/
12. Save Images https://addons.mozilla.org/en-US/firefox/addon/save-images/
13. Screengrab https://addons.mozilla.org/en-US/firefox/addon/screengrab/
14. Print Edit https://addons.mozilla.org/en-US/firefox/addon/print-edit/
15. Simple Timer + Clocks https://addons.mozilla.org/en-US/firefox/addon/simple-timer-clocks/