Main features:
* Supported Images: JPEG, Bitmap, GIF, PNG, TIFF, ICO, WMF, EMF
* Light-weight program: There are only a few functions. So it's small and simple
System Requirement: Windows 2000/XP/2003/Vista
License: Freeware
All settings are contained in app folder
Has an optional sidebar for scrolling thru a folders images
Much sleeker gui than beta1.
Just unzip and its ready to use.
NexusImage HomePage
Look around there are a couple other noteworthy apps that are easily portable on this site.

DownLoadNexusImage 1.0 Beta2 (Zip 1.2mb)
ScreenShot