Rated 4 out of 5 stars

Great but I would like to control the fade down but real good. The easier things are made for us the better. Thanks

This review is for a previous version of the add-on (1.0.1). 

That come sure!
My firefox addon will receive soon all the features like the Chrome extension:
https://chrome.google.com/webstore/detail/bfbmjmiodbnnpllbbbfblcplfjjepjdn

Take a look on Google Chrome.
Thanks for you feedback!