If you're talking about the light blue square around the island, you can get rid of that by going to the Terrain Editor, and then moving the bottom of the bracket } on the right of the terrain , right next to that bar that goes from white to black by your image, upwards. The red parts will go away, and the light blue part of your image should also go away. (Lol, behold the great picture... It was on hand, and it might help, so..) If you *aren't* talking about that, then I'm not sure what you meant by the question..