Want to be able to create a much more dynamic signature for your webmail accounts and more, the will show off your instant messenger names, social network links and more details about yourself? WiseStamp is a pretty awesome addition to Firefox, that will let you do that and so much more, in a very stylish way.
Once installed, you get your own WYSIWYG editor to create and edit your own signature collection. You can add links via RSS, instant messenger service or social profiles from around the Web too.
Still need more information? Check out this awesome video tutorial demonstrating what all you can do with this amazing add-on for Firefox.