looking great buddy, try to keep flexing your quads when doing a latspread . You tend to relax them a bit and put a bit to mutch focus on your upper body.

this is a posing routine of mine maybe it will be of some help. its not flwaless bu i had to put it together in about 30 minutes :-)

http://www.youtube.com/watch?v=2bGYjZcXR8A