Thunderbird is a free, open-source and cross-platform mail client and news reader.. My themes will change the look of the mail client. Themes can change the color and shape of the toolbar icons or change the entire look and color. These themes are compatible with *VERSION 1.5 ONLY*
The CSS files distributed with these themes are licensed under the GPL. Images are copyrighted by their creator and unless explicitly specified, are not licensed under GPL. Reuse of those images without explicit permission is considered a violation.