Sleazy Fork is available in English.
Shows just fullsize Image with hotkeys & without pop-ups on many image-hosting sites
< Commentaires sur Handy Image
works fine for me, are you sure you are not using any other scripts or extensions which interfere?
Fix radikal.ru please
Image for example:
http://radikal.ru/lfp/s014.radikal.ru/i328/1702/34/96330f6a1719.jpg/htm