The Perception Laboratory's Face Transformer
You can use the Perception Laboratory's Face Transformer to change the
age, race or sex of a facial image, to transform it to the style of a
famous artist, to make an exagerated caricature or even make an ape of
yourself!
http://morph.cs.st-andrews.ac.uk//


Face Transformer
http://morph.cs.st-andrews.ac.uk//Transformer/index.html

Other Perception Lab Experiments
http://perception.st-and.ac.uk/expt/Oct2001/lab/intro1.html

Perception Laboratory, School of Psychology, University of St Andrews,
Scotland
http://www.perceptionlab.com/