i cant really draw very well but i'd say make it a bit more bent and rounded and maybe move it up just a bit?
It's a little stiff, try rounding out the shoulder a bit more and moving it up a tad to create the vision of the joint and bone underneath rotating up.
From what I can see on the facial features, the problem may lie within your character's left eye and nose. The head itself is pointing to the right given the overall shape of the head but the grooves at the bottom of the nose are placed as if the head is forward facing, alongside this, the bridge of the nose seems to be illustrated as if it was being looked at dead on, making the nose look flat.
A bit late, but try to make her shoulders and neck a bit wider. I adore the color scheme and shading, but the proportions of the face are a bit off as well- Forehead should be slightly larger (eyes are only at the midpoint of the human face, typically) and some of the features should be smaller (eye sockets, eyes, eyebrows.) Try making the bulb of the nose and mouth slightly larger to balance it out as well. I can't really tell if this is shaded or not, try to determine where a lightsource is and use that as a basis for any shading you might do. All in all, a solid piece with great colors and a nice 'feel' to it, just needs work on the proportions and on consistency.
Similar issues to Sprongo's art, the colors and etc are all gorgeous but the shading and proportions need more work. The nose is bent too far in and the forehead/skull are a bit shrunken. Try making the right eye slanted and smaller to give it a sense of depth. Here's a reference to help ya out.
oh i love krita! i mainly use it for pixels these days, but there's something you just can't beat about having your colors organized as a triangle rather than a square.
