This post will also show the difference in conditioning and how it affects the total appearance of a physique.
Me at 175-178, roughly 8-9% Bodyfat.
Me at 170, around 4% Bodyfat.
Exactly a years time between the pics, like exactly, both taken on August 13th years 2010 and 2011. In my offseason between the two pics I added a small amount of muscle mass, the real difference is conditioning.
That's what it's about! Conditioning baby!