Working with textures
Displacement mapping
Mapping materials to objects
Working with decals
Working with Reflection Shaders
Adding indirect lighting to an exterior rendering
Combining daylighting and artificial lighting for an interior rendering
HDRIs
Multi-channel renderings
Using IES (photometric) lights
Path Tracer
Volumetric Fog
Sub-surface Scattering
Controlling tesselation-- smoothing curved objects
Using Archvision RPC with nXt
Using Textured Mesh Files (*.3ds, *.obj) with nXt
Installation Issues
Rendering has some bright spots or "speckle" artifacts
Materials assigned by layer are not appearing in the rendering
Crash occurs on 32-bit system (hi-res or complex model)