http://in20years.com/ predicts what your face would look like in 20 or 30 years from now.
It´s a very easy programme; you only need to upload your photo your sex, your age and if you are addicted to drugs. The result is quite original, creating wrinkles and shadows to give the desired look.
You can save it in your computer and it is free.
This is my favourite actor in 20 years: Gerald Butler (still so handsome):
I must say I didn´t like my photo in 20 years ;) that is why my photo is not here...