Here are images of a face I made by manually positioning vertices with a photo in the background:
Here are images of a face generated by a python script that I wrote:
I’m most interested in the quality of the front of the cheeks (that is, the part of the face below the eyes, to the side of the nose, and above the corners of the mouth). I am next most interested in the quality of the lips, and third most interested in the quality of the chin.
Overall, I’d like to be able to make faces that are at least as quality as in the game The Sims 2.