Hey Bobby,
Just been trawling the forums and "lucked" in on this; thanks!
I'll have to check it out when I'm not otherwise distracted (anytime within the next few, er... years?!).
Seriously,thanks for the time and effort.
Downloading now [will play with tomorrow, after my 'puter finishes building the largest WM terrain I have ever (tried to) make (16384 x 16384)]..........