It's just done with the PS liquify filter..!!
set on rigid...brush the size of the monkeys head.
smaller brush (nose and mouth) at the top of the upward head movement to try and get some perspective.
Some bits of extra jiggerypokery on the eyes and mouth too.
(
printmeister http://tinyurl.com/c8s8fd5 for titanic T's,
Thu 16 Sep 2004, 18:59,
archived)