Hey,Please post all Firefoxextensions you find usefull here (with a little Description):GreasemonkeyInsert User Scripts in current websiteAdblockRemoves Ad'sAll-in-one-GesturesMousegesture supportTabmixMakes using tabs more comfortableSargeRSS ReaderRsspanel (as Greasemonkey Script)Shows the RSS-Feed of the current siteLinkify (Greasemonkey)Turns all URL to LinksSmilefy (Greasemonkey + Custumized with better Smiley's)Turns all Textsmilies to imagesAnd a Lot more.