Thanks, that doesn't seem to hard to do. However, I had forgotten, that I posted earlier that I wanted to do a FF first, so that's what we´ll do.There is a small DLL part to this:
At some city size, the normal road on the central city plot will be transformed to "Plastered Road".
There is also a small DLL part about "Entering Peaks".
(But since that feature does not exist in TAC, you don't have to worry about.)
Otherwise this is pure XML and graphics.
I'm going to create the Ricardo Muñoz FF, which was a great but little know spanish Explorer from a very little country town called Los Muñozes in Valencia.
I think that guy is the greatest.