I think Mountain Pass v4 (which is in official maps) is the 'current' version of this map. This one looks pretty different though. Could be a good one to add as well.

I like maps where one one side is a crater, and at the other side is a hill, but I do not like assymetrical maps so much.

I don't care about the center, but your start should be equal, and the metal spots should be equaly distributed before and after a different/difficult terrain.

If it is too much assymetrical, it is bad for slow units (coms).

I think this map is meant to be played top left vs bottom right.
We need more coner maps !!

Why not square boxes? The startpositions are set up that way. I'd use corners a 30.

Set new boxes for the map. The startboxes now encompass all the 3-mex startpositions, and the map looks balanced and nice this way. Old boxes were:

!addbox 0 0 20 55 1
!addbox 45 80 55 20 2

Can someone make new gras textures?
It looks a bit too flatten for me the green part... something more gras or aroused textures?

Yes they can be changed, by making a new version.