Rated 1 out of 5 stars

Version 1.17.3 doesn't work with my Firefox 10 or 11 on the Mac.

There's a new version

New version v1.18.1 fixes that. Install the beta at http://goo.gl/WjrEA

works great Rated 5 out of 5 stars

Works great for adding a html signature to gmail messages.

This review is for a previous version of the add-on (1.09).