Rated 4 out of 5 stars
The "Prevent third party images" icon is way too hard to distinguish from the "Allow all images" icon. The yellow borders on a light grey background is very hard to discern, and in the couple of weeks I've been using it, I have already failed to notice the yellow borders several times.
They should be replaced with maroon or dark green borders, or the blue main icon changed to another more obvious color.
Otherwise, it works just fine