Rated 4 out of 5 stars

Works fine with TB 2.0.0.24 on Ubuntu 9.10. (I dont hear sound, though.)

I recommend enhancing notify-osd to work with notify-send. See https://bugs.launchpad.net/ubuntu/+source/notify-osd/+bug/390508 #126.

This review is for a previous version of the add-on (0.4.0).