new Sky(Sky) {
position = "312 96 0";
rotation = "1 0 0 0";
scale = "1 1 1";
materialList = "base/data/skies/sky_blue2/resource.dml";
cloudHeightPer[0] = "0.349971";
cloudHeightPer[1] = "0.3";
You don't meed a sky if there isn't any.
Also, the ground texture looks like barf.
Other than that, Nice for your first map edit.