looks quite snazzy.

first impression is that the mountains seem to pop, could be purposeful, and could very well even out when you put other things on the map... but as is, the mountains just seem too... crisp compared to the rest of the features.. could be that everything else is in shades of green (i think even the water has green values to it)... like i said, this could change with the addition of towns, labels, and such, and you might also want the mountains to pop..

I do love the brushes, they look quite good. kudos.