Help needed..

[tiggerthehobbit.livejournal.com]

Hello I was just wondering if anyone could help me out a little.Im making a Julius monkey from some Paul Frank fabric I have from my PJ bag

Like so..now so far Ive had no problem working a patter out fo the body,arms and tail.Im really having problems trying to figure out the shape for his mouth.Ive got the basic idea but not..if you get what I mean.So does anyone have any suggestions as to how to make his mouth part..thanks in advance!