Can't access preferences Rated 2 out of 5 stars

This add-on has a really cool display, with the titles appearing automatically in your toolbar. However, whenever I try to open the add-on's preferences, either by clicking on the icon in the toolbar or by going to the Firefix add-ons pane, it open a blank window, and then Firefox crashes. I'm on Firefox on a Mac running Leopard.

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