I wanted a piece of software that would take two tiles and create borders for them on a larger scale than the autotiles, so, with that, I decided to just make my own, using Photoshop CS3 and smart objects, and layer masks... This is what I've come up with...

This makes most of the fade paths with a shader for 3d effecting...
DOWNLOAD here... Right Click -> Save As -----
64x64 PSD Smart Object Tile Path Creator