*pats* It's.. okay. o_o;

Hm, well, as for the pictures, I actually like the second ones best. The angel picture has some pretty nicely drawn wings, too. The two last ones aren't too bad either ( I actually, I like the second to last one. Good expression. ), but you might want to work a little on the proportions of different body parts. The hands you draw are too small.
Overall, you should maybe look at some reference pictures to learn more about anatomy...
But if I may presume that the first picture is the oldest of them all, you're on the right way.