Hey all, future student of the Kubert school here, and I've got three months til school, so, in order to keep improving, I've started this thread (and a sketchbook thread) to push myself. If I miss a day, please feel free to harass me to your hearts content. Praise and monetary appreciation are welcome. Critiques will win you my undying gratitude, since this isn't an ooh's and aaah's thread and I actually want to get better.
Start with a couple quick sketches (first one used only a quick glance for ref):
This one's a bit better, but still needs work: