The full tutorial is here on my web album:http://picasaweb.google.com/KatyHargrove1/QuickAndDirtyReliefSculpting?feat=directlink
You can use the pattern below to recreate the impish green man face.
Scale the pattern to the size of a round lid you are using.
Cut out the paper pieces.
Flatten some clay to 1/4-1/2 inch
Trace around the paper pieces with a clay tool and place them on the face.
Follow the tutorial instructions to blend the clay and add details!