I dunno what you're talking about. Your colouring skills are really good! And the only way to get better at something is to keep trying. Look at other artists' work and come up with different things to try.
that looks awesome!
although i must say that centaurs aren't supposed to have wings (pegasus have them, but not the human torso).. it does look good put together like this
anyway... guess i' gona have to