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

Features:

– Bugfixes: comic viewer mode last viewed file remembering, fixed crash when showing non-preloaded images in fit-width or fit-height zoom, fixed support for .NEF files
– Added support for FPX, JBIG, WMF

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