Some concept art from back in April, for a passion project in the purest sense of the word (i.e. will be obsessing over it one minute, fantasising about getting it printed in a gorgeous hardback book with sewn binding and all the trimmings, then crashing out hard, figuring it's a waste of time and energy and deciding to give up on it for about the seventy-kerjillionth time the next - the good old-fashioned "artistic temperament" in action there.)
It will probably see the light of day at some point, because for every time I think of giving up, there's a stronger and more stubborn compulsion to keep at it.

Volatile creative process aside, there's a roughly step-by-step process for this on my blog, if you fancy a gander in the kitchen.