Rated 2 out of 5 stars
NO MORE... eg. on Facebook, it either does NOTHING ATL ALL, or, show a thumbnail as ... a thumbnail AGAiN (maybe +10% zoomed).
In other pages (sites) workes 50-50%:
in some, it does; in some, it doesn't!
It's a pity! BECAUSE it's been more than a month as above, and NO RESOLViNG UPDATE YET, to remedy this.
(I'm afraid, "imagus" alternative addon, behaves pretty much the same.)
Let's see, whose seveloper fixes its own FiRST? ...