Thanks, all. Updated with some tweaks, primarily to the left arm.
Ryumaru: Fair enough. I should try to unify or something, and go for the effect stephen mentioned, but I'm feeling lazy. It's been a bit of a bitch picking colours for this one, as the wrong choices have been messing with the smoothness, so... but anyway, something to work on

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Matriax: Fixed (?) the left hand, but didn't add a flower (already 16 colours, none of which seemed suited,and I didn't wanna push the palette any higher).
Dan: Moved the tie up a bit. Hard to placesince he has no neck or clothing...
Stephen: Yes, definitely a good call. Read my response to Ryu, though, and you'll see my current problem. I'm probably gonna work on it.
SplatPixel: Fixed?
Pawige: Not intentional, just lazy.

Hopefully fixed. Hills maybe less jagged now?