Sleazy Fork is available in English.
Shows just fullsize Image with hotkeys & without pop-ups on many image-hosting sites
< Σχολιασμός για τον κώδικα Handy Image
site already present in script and working fine in firefox.
sorry it was disabled for some reason at the time
Add: xxximagenow
http://xxximagenow.com/img-54d33adb3d33f.html