Firefox is the best browser and Facebook is the most popular social network, here are my top seven Facebook add-ons you can add to Firefox.

Friendbar displays a running stream of text and photo updates right on the toolbar, and allows you to post updates, to like, comment, update, retweet, dm, and reply from the toolbar itself.

Facebook Video is a Firefox addon that lets users download or convert Facebook videos, and embed videos outside of Facebook.

FacePAD, better known as the Facebook Photo Album Downloader will allow you to download your friends’ facebook albums, Events albums, and Group Albums, en masse, with the click of a button.

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Facebook Toolbar integrate your Facebook life into your browser. Once you have installed the Facebook Toolbar add-on, you can easily do the following search Facebook from anywhere, get notified, connect with friends, share content and upload photos.

Boost allow you to customize your Facebook experience with 300+ skins, 30+ features, rollover pics, selectable options, one-click pokes, video downloader and more.

Who Is This Person? allow you to highlight any name on a web page and see matching information from Wink, LinkedIn, Wikipedia, Facebook, Google News, Technorati, Yahoo Person Search, Spock, WikiYou, ZoomInfo, IMDB, MySpace.

AutoSlideshow generates an image slideshow within Firefox. The slideshow contains all images on the current page or images linked to from the current page.

There are my top seven, which one are your favorites?