Poor thing!!
Once you have them saved to your computer, head over to: http://ubanimator.com
Use the 'browse' option to upload them and once you have done, at the bottom you have a choice on how you want them to rotate. Once that is done you can make your userbar by hitting 'create'!!
Once it is created, you should see your userbar. Right click on this and copy the http//... into your sig.

