For grins, and inspired by Pete T.‘s mention of Chris Walas’ work on the O.S. & O.D steampunk loco thread, here’s a few examples.
I love the Halloween trains,
This reminds me of Devon’s build.
This is like Vic’s work, with David Meashey’s involvement, and a little Tim Burton thrown in.
Here’s an article he wrote on figure making.
http://www.npcrr.com/Articles/FiguresClass/Figure_Class_Ch1.pdf