and u spelt the title wrong
There is (or was) a pretty hard and fast limit to the number of map icons (trees) previously. So, I am not sure you can do much therem but new testures would help a ton.
The mountains can be made crinkly using the stretch tool in the map editor.
They should also probably be much higher. Overall, the map is just too flat, whereas in any real terrain the whole of any valley would be sloped everywhere in the valley.
nice and minas t. city icon's dissappered