I will post back next week with my results, I'm going on vacation and hope to be computer free for a few days.
Rotherian, I just discovered this thread and repped you. I also like the idea of having sample images of terrain to really give folks an idea of the vibe of each 'zone.'
I've been hoping to create some expanded maps of each continent, but I haven't found the time yet. -_- I'd appreciate any help anyone can give me.