:: download thunderbird 3.1.10 email client # wget http://mozilla.cdn.leaseweb.com/thunderbird/releases/3.1.10/linux-i686/en-US/thunderbird-3.1.10.tar.bz2 or you can download on thunderbird download page :: installing thunderbird from source on linux # tar -xjf thunderbird-3.1.10.tar.bz2 -C /usr/local/ :: open / running thunderbird 3.1.10 $ /usr/local/thunderbird/thunderbird :: add thunderbird shortcut on gnome-panel 0. right-click gnome panel and select Add to Panel.. 1. select Custom Application Launcher.. 2. add value on Add Louncher, like: Type: Aplication Name: thunderbird Command: /usr/local/thunderbird/thunderbird 3. click OK button :: links + google + thunderbird