Wendersnaven.com (a resource for nwn2 builders)

Another great resource you should check out is Gilthonym's Don't Panic: The Hitchhiker's Guide to First Opening the NWN2 Toolset.

Here's his intro:

Overwhelmed by the toolset?

Don't Panic: read this guide and get to grips with the basics of the toolset.

The guide assumes no knowledge, and is written for anyone, whether they have experience with the Neverwinter Nights 1 Toolset or not.

The guide currently covers:
The general interface
Creating external and internal areas
Placing trees, buildings and doors
Camera controls
Day/Night lighting
Editing properties
Selecting music for an area
Tinting objects
Rotating objects
Laying down interior tiles
Creating transitions between areas
Installing plugins
The external terrain tools
Baking and walkmeshes
Chests and inventories
Creating custom characters
And more...

There are plenty of screenshots so you can easily follow the tutorial.

I hope this guide helps people to create the adventures they want to share. I encourage you to leave feedback for me so I can keep improving it.

Head over to the vault to grab the Don't Panic guide:
http://nwvault.ign.com/View.php?view=NWN2Tutorials.Detail&id=14