No problem, since I found out how to make mountains like that I though, why not share

About the rivers, I had something like this in mind when I made them like that:
http://upload.wikimedia.org/wikipedi...sserbach01.jpg

In every "Bifurcation" there is a settlement that did that on purpose to irrigate more terrain or something like that. And the southern river is a large delta (or atleast that's what I wanted it to be).