That should be easy. Yes, South America and Africa are particularly ugly. Arabia and the far east are also very very random, and the join between Africa and Asia is sometimes too mountainous. I'm going to try to tailor them a bit more. South America shouldn't be too hard. For some reason, I can't get a Greenland looking like something or I misplace it. Africa is much more of a pain because it's hard to get the Mediterranean looking like something. I'll be tweaking this.