Right now, I am having the hardest time with light and shadow. I can't seem to get it just right, it either ends up too much or not enough... I am trying so hard on that aspect, I end up sometimes with this tendency to overlook the little things.. I just keep plugging away at it, figuring some day it will come together, but honestly, light and shadow is main problem I think. But your right, just trying new things, and having fun.. without that I don't think keeping going would even be possible.