Rated 4 out of 5 stars

I also experienced the "error uploading image" error, but it's easy to get around; merely save the screenshot to disc and upload it manually. Anyway, what I was pleased with was the ability to take a snapshot of a flash video--which wasn't possible with the other screen-capture addons I tried. For me, that's enough.

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