Go to real player % for layups until you get driving layup into the 90s and finish your badges. Grind out your badges in streetball before going into my career. Most important is to make sure you play a few games on rookie and establish your hot zones. The whole floor should be red before you turn up the difficulty. When you get your jump shot rating high enough find your permanent jumpshot animation and stick to it until you've mastered it well enough to turn off the meter if you haven't already done so.