Here are some of my favorite Firefox extensions

IE View lets you view pages in IE mode
https://addons.mozilla.org/firefox/35/

Smiley Xtra cool smiley graemlins
https://addons.mozilla.org/firefox/375/

Download Them All Download manager
https://addons.mozilla.org/firefox/201/

Toolbar Buttons adds more buttons to use for toolbar
https://addons.mozilla.org/firefox/2377/

Formfiller holds info to use for filling forms
https://addons.mozilla.org/firefox/1882/

FireFTP FTP software works nice & free
https://addons.mozilla.org/firefox/684/

Session Manager restores pages and expands tab controls
https://addons.mozilla.org/firefox/2324/

Merritt

Business Telephones & Equipment + Commercial Audio/Video Products
Commercial Communications . . . Turner, Maine
If it was built after 1980 don't expect it to work right.