Personas Shuffler is a Thunderbird extension that will change your Personas theme on each browser load, this to work you'll need to install ("wear") several personas from http://www.getpersonas.com/ and all them will automatically shuffle on the next firefox load.
No restart required!
How to Install in Thunderbird:
1. Right-click the link below and choose "Save Link As..." to download and save the file to your hard disk.
2. In Mozilla Thunderbird, open Add-ons from the Tools menu.
3. Click the Install button, and locate/select the file you downloaded and click "OK".
· Mozilla Thunderbird
What's New in This Release: [ read full changelog ]
· The Firefox preferences "persisted.footerURL" and "persisted.headerURL" are set back to true when disabling/uninstalling the add-on.
· Added styling update notification...