Youve improved so much without you realizing it I bet :D

The tones seem good so far, just remember, sometimes you dont need as many shadows as you think you do, dont over do it. The perspective on the hand itself is pretty spot on, However the shoulder should be "rounder" and or more prominent, as right now it's a little oval-shaped which makes it look like its a little too far to the right (our right). I'm more of a visual person, so if you dont mind, i'll make a quick redline of some things. :o Im not an pro mlg expert, but sometimes it takes more eyes to notice some things that seem a little "off" brb

http://i.imgur.com/Ox4ATrO.png I like to write all over stuff. Hopefully I didnt bombard you with stuff. I hope this helps in ANY way /worry