trouble Rated 2 out of 5 stars

I add 2 collections with images on an USB key for each wallpaper rotator and browser backgrounds.
at this time i work on this key.
so 5 days later i unplugg the key and then launch firefox.
after few time a pretty blue screen come visit me.
two times. (two launches of firefox and two reboots).
it's a little annoying

This review is for a previous version of the add-on (0.6.1-signed).