1)   IrfanView Platinum Pack Edition 4.1
Complete latest build of the world's most popular free image viewer and converter. Comes with improved set of plug-ins, including Jpeg2000 writing support, shell extension, extended image types, etc. This is all-in-one single mega pack.

 2)   Outliner 2.0
It gives a user the easiest way to get image contouring with desired quality. This plug-in just picks out various edges making them more expressive. ImageSkill Ouliner is FREEWARE.

 3)   IrfanView ShellExtension 1.01
IrfanView Shell Extension is a free Shell Extension Dll that adds the ability to call some IrfanView functions from within the Windows Explorer.