These will have to serve as a How-To until later:
The following is Solfuge's Palette that he is using for colours. Just under 1/2 of the 256 possible colours are still available and you're not limited to those shown, but they help as a starting point.
The following image is a Stonesense geometry lesson in image form, uploaded by Solifuge on the forums.
Lastly, here is a dotted outline of the "unit cube" used by Stonesense. Sprites must be contained within this unit cube, or else they burst through the floors above (or leak into floors below)
