I'm inclined to think that people may be best off defining their own resident terrain, or having the terrain textures indicate the type of region it is rather than, say, the forest being an actual big forest. The way the island looks to me, scale wise, makes it so it looks like we're stuffing all this in Greenland or, really, a fraction of Australia. I look at the map and I think it's tiny just for the couple folks that have ample landspace.