Bit more work done, tossed in a few rivers as well. Figured it'd be more important than forests/mountains. Easier to form the mountains/forests around the rivers I suppose.
Not sure an easy way to represent plains and deserts. Tried drawing tiny cactuses but I thought it looked cheesy.

Trying to make things look as natural as possible and not so uniform/fake. Hopefully I've done a fair job at it so far

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