Rated 5 out of 5 stars

Very nice, thank you. Please also implement an option to automatically hide the icon in the navigation bar when status is 0:0.

Rated 4 out of 5 stars

Please add different version of the icon of a hard disk with green arrow like in https://addons.mozilla.org/en-US/firefox/images/preview/26/4

Change the color of the arrow or animate the arrow for different status/speeds.

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