Thankss! ^-^

Your shading is really good! You might could try hue shifting if you want, it makes skins look more vivid and realistic. Here's a blog about it you can read. c: You don't have to hue shift yet though! You can decide what type of skins you like to make and just mess around with shading. c:

You also could contrast the colors a little more, unless your style is just not contrasting much, then it's all good! ^.^b

But yah, that hue shifting blog helped me a lot! ^-^ Here's another one that's pretty good too, maybe better for you just starting out. c:

It might look confusing at first. >.< But once you get the hang of it it's really easy and fun! n.n