Rated 4 out of 5 stars
I've used a few different screen capture add-ins... some were good, some weren't.
This one does exactly what it says... captures the screen. Simple and to-the-point.
One complaint (and a solution): There's no option to place the icon in the status bar... however, if you go to (FireFox taskbar) Customize, you can 'drag' the icon down there :)
Keep up the good work :)