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
Press "P' hotkey when script is active - option window would pop-up where you can choose background color.
Make the background dark
When showing the image make the surrounding background black, like firefox shows by default. It's soothing for the eye..