Changing the shape of the head, changing subtle variations in the chest/shoulders/neck/waist... As for scaling, just remember to set dials close at hand on about the same level. The image is Vicki3 HEAVILY scaled for a comission, wearing some milgirl clothes. As you can see, the arms join very strange where the collar/shoulder joint is. But that's because the y scale isn't set corrispondingly.
Kreations By Khrys