How about multiplication factors of p.p.s.i. as follows:
background x 1.7
Landscape background x 3.2
hair x 2.8
patterned cloth x 3.9
flesh tones x 4.4
hands x 5.3
Torso x 1
teeth x 10
wrinkles x 6
whiskers x 3.2
Furniture x 3
etc
Open for any other suggestions
