Sleazy Fork is available in English.
Shows just fullsize Image with hotkeys & without pop-ups on many image-hosting sites
< Rückmeldungen auf Handy Image
added
It no longer works. Site was down for a few days, and now it is back but the links to the pics are different.
fixed
Add: your-pictures.net
http://your-pictures.net/pt/X1AB/18.html