about:kittens is a Firefox, Thunderbird and Sunbird extension that will replace the product logo on Help -> About... with random kittens from kittenwar.com *falls off chair from the cuteness*.
How to Install in Thunderbird:
1. Right-click the link below and choose "Save Link As..." to download and save the file to your hard disk.
2. In Mozilla Thunderbird, open Add-ons from the Tools menu.
3. Click the Install button, and locate/select the file you downloaded and click "OK".
· Mozilla Thunderbird
What's New in This Release: [ read full changelog ]
· Added menu item to show another kitten
· Fixed Kitten's name on Thunderbird 3b
· Enhanced the CSS a little
· Bumped max versions
· Signed with mcCoy to provide secure updates
· Other minor code cleanups