By Arnab Datta&Jaibatrik Dutt about Imagine Picture Viewer
Fresh View gives you the ability to organize and view multimedia files.
XnView is freeware software that allows you to view and convert graphic files.
view and print 2D and 3D drawings, maps, and models in the DWF format
IrfanView - very popular image viewer
FastPictureViewer, an image viewer designed for photographers.