Toolset UI Enhancements is an NWN2 toolset plugin with some basic UI add ons to make things a bit easier. Currently you can automagically align placeables and duplicate tiles in an area. (i.e.: select a tile, select an area to fill in, go)
This is a work in progress, released under the GPL with full source.
10 - A Masterpiece, Genuinely Groundbreaking 9 - Outstanding, a Must Have 8 - Excellent, Recommended to Anyone 7 - Very Good, Deserves a Look 6 - Good, Qualified Recommendation 5 - Fair, Solid yet Unremarkable 4 - Some Merit, Requires Improvements 3 - Poor Execution, Potential Unrealized 2 - Very Little Appeal 1 - Not Recommended to Anyone
Site
