Importing Neverblender script into Blender Portable

I am trying to import a MDL to blend script into blender portable but I am totally lost as to where to set my file directories. I am not a noob, but I am not an advanced user either. I am just a Dbase Programmer trying to take the NWN models and Make DnD Minis for a blender game engine version of the DnD Pen and Paper Minis Game. Any help would be greatly appreciated.

Here is a copy of the Manual

http://www.beastwithin.org/users/wwwwolf/games/nwn/gametools/neverblende...

Here is the Code
http://nwvault.ign.com/View.php?view=Other.Detail&id=369