Pandora Image Viewer (PIV) by Jon Sneyers is a simple and fast image viewer.

Features:

– Bugfixes: zoom offset jumps, robustness issues,
zoom out from 1:1
– Select images with ENTER and perform actions on them
– Higher resolution: can deal with images up to 38400×23040 (was: 6400×3840) if memory permits, can load huge JPEGs now, fall-back to scaled versions
– On-screen display with 3 detail levels (off/minimal/concise/full Exif info)
– Help screen (H)
– View rotation (A=counterclockwise,B=clockwise)
– Rotate JPEG files losslessly
– Shows something while loading big JPEGs
– “Sticky” 1:1 zoom: press 1 twice to make it the default

http://repo.openpandora.org/?page=detail&app=piv.wb