About this Add-on
Theme is available for Thunderbird on Linux and Windows for the 3.1 series. Parts of Lightning addon are themed too.
Menu icons are not included in this release and will be made available in a future release
The screenshots were taken on a Linux KDE4 desktop using the Oxygen window style. It will look different when used on GNOME or Windows i.e., it will use the default window manager style and only the icons will be changed.