Just the lighting scalar component
Adding in the diffuse map to give it some colour
Adding a specular term to make stuff shiny
Had a whole lot of fun trying to create the normal/specular maps - as is probably fairly evident from the above screenshots it's programmer art. Programmer Art For The Win!
Seems I've also introduced a D3D memory leak in my device-reset routines. Best go get that fixed. Yay!
P.S. It looks quite cool. Like a super quilt of sorts. And brings to mind 2D games of times long passed.:(