The girl of the first photo has thick hair, so is unemotional according to personologist, and the two sides of her face are similar so she is calm and cheerful.
The second photo is a man with long upper lip and has thick lips, so he could be sarcastic and talkative.
The third photo is a woman with fine hair and has the eyes close together, so she is sensible and short tempered.
The last photo I think is a man with the face not balanced, so he could be a moody person