SUPER félicitations et merci
jurasud

Isn't worth a thing, compared to Thumbnail Zoom Plus.
As Thumbnail doesn't work on the new version of Firefox, I disintalled the latter and came back to the old one I had before.
The only way to have Thumbnail work.
Too many add-ons don't work on the new Firefox version so I threw Imagus directly in the trash, with the new Firefox version.

OMG
WOW
Everything is here.
LOVE IT :D

Wish I could extract the settings though :D

это абсолютно топовое ,очень важное и полезное расширение!
создателю большое уважение.

Edit 31/03/2020

Seems to be working fine for now.

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It's been working perfectly for a long time but now for some reason it has started to work less and less on sites...
I just came from IMDB and it's not working there.

And yes i've updated the sieve.

Soms doet ie het,soms,zomaar,doet ie niet.