Rated 3 out of 5 stars

I cannot save add-on options at all :(
Thunderbird 24.2.0
Xubuntu 13.10

This review is for a previous version of the add-on (0.2). 

This is due to Linux/MacOS use instantApply by default and no 'OK' button for you to save.

This was fixed in trunk and will be in 0.3 release.

Sorry about that.