Sleazy Fork is available in English.
Shows just fullsize Image with hotkeys & without pop-ups on many image-hosting sites
added
Broken. No longer working
fixed
Still broken , no change, even with updating to latest script and restarting Firefox
Make sure you are using actual "latest" version from github. https://github.com/Owyn/HandyImage/raw/master/HandyImage.user.js and that there are no other extensions or userscripts interfering
@Owyn: Thank you, working perfect now with v22.04.19
Add: PiXXXels.cc
https://pixxxels.cc/image/4ddqa7i2x/