Put a grassy border on one side, mountains on a second border, beach on a third and a bit of forest on the fourth side!
For a different layout, how about making large squares, cutting them from lower corner to upper center (both sides), and reassembling them on the opposite sides so that the blocks are all on point. Anyone know the name of this technique? It's super easy.
Oh here's one I've almost finished, another way to showcase a theme fabric you might no want to cut: