Hey, OasisRaven, first let me say congrats on dedicating two whole weeks to practicing! That's awesome. You should be proud you're taking that step.
Secondly, I'll go into which of these I really like, and ehat makes me like them more. The drawings that i like more are the ones where you really find that line of action and push the pose. Remember that the line of action is where you find the energy of the post, and that it's essential even when drawing someone who seems to be standing straight.
I have a few suggestions to help you push that envelope. The first thing is to try sketching in pen, preferably a felt tip marker of some kind, I know it's scary at first, but believe me, forcing yourself to not erase is going to help when drawing gestures. Then, try doing your poses without useing the stick figure metod. I know it make doing fast work easier, but you need to practice form. Don't worry about the drawings looking bad. They always look bad until you get used to them.
Also, if you've been avoiding nude models i highly suggest you go for it. It's weird to think about when you haven't before, but it's easier to grasp the anatomy when the subject is nude. If you won't be putting yourself in trouble by doing so, test that out too.
Again, good job practicing! Just keep at it, you're bound to get better.
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