Ah, I wish I knew a little about electronics, because honestly, I'm clueless, and I have often thought that a piece of terrain or a particular model would benefit from some sort of 'leccy-powered coolness.
Anyway, they're all looking good, Robey. The techniques you're using are far faster and simpler than the ones that I've been using.
If I ever see another polystyrene foam block, it'll be all too soon. I still have the nightmares.