hmmm...

It may just be the angle. I used an anatomy book for reference.
Although sometimes those don't always have the best diagrams.

I've thought the tummy was a bit hinky as well, but when I left the strong deformation out and went with a more natural "doughy" look, it just didn't look quite 'ash' enough. Ya know?
Heh, maybe if BC ditched those highwater work pants...