Work with blacklist is lacking Rated 4 out of 5 stars

The extension is great, but as I think there is no opportunity to allow all reqs by default while blocking only unwanted requests? Additional site blacklists could be exchanged and imported from user-community.
Perhaps I am doing it wrong, but trying to allow different blocked reqways to find which one is responsible for missing images(f.e.) is kind of exhausting.

This review is for a previous version of the add-on (0.5.13).