Thunderbird Extensions and Themes
Thunderbird Extensions
To install Tools | Extensions | Install
and browse to location you extracted them to.
Buttons homepage adds tons of features to Thunderbird...absolute must have.
After installing click View | Toolbars | Customize and drage the buttons you want onto toolbar.
For a description of which each one does see Buttons features.
Thunderbird Themes
To install Tools | Themes | Install
and browse to location you extracted them to.
Apollo homepage
Atlas homepage
