Modeling A Person

I have a problem…I can’t seem to find a way to make my “Belly” of my generic person to look like or similar to the one on the tutorial below…Also could you give me some suggestion and or tips to make my “Belly” parts of my models look better and how i can approach it in the future

Mine:

http://img247.imageshack.us/img247/2694/modelingpersonpd6.th.png

Tutorial:
http://upload.wikimedia.org/wikibooks/en/9/98/Capture3.jpg

http://img247.imageshack.us/img247/3993/capture3sa4.th.jpg

thanks in advance

Although it’s tough to tell from such a small image, it looks like you might need to recalculate your normals (Ctrl+Nkey). Select all the vertices first.