Excellent add-on. I've tested as working in Thunderbird and Firefox 2. Notifies when downloads are complete and when messages are received (the main reason I wanted it). Cool.
You can now receive a Growl notification when a download starts, finishes, fails, or is canceled in Firefox. In Thunderbird, it displays a notification for new mail (displays the sender and subject).
Official Growl project to integrate it with the Mozilla code base. You can now receive a Growl notification when a download starts, finishes, fails, or is canceled in Firefox. In Thunderbird, it displays a notification for new mail (displays the sender an