snapShot render your current frames result (which ever your seeing your viewer) as a .jpg file and re-load it automatically. Its using your scripts name, version and your current nodes ( means selected node) name. Updated with new icon and custom input gizmo. Place the image gizmo, icon and snapShot.py on your custom nuke DIR. Replace menu.py line to make it work.
snapShot
Updated: 12 April 2012
Author: satheesh
Compatible Nuke versions: 6.2 or later
Compatibility: Linux, Mac, Windows