The first picture: This girl has two sides of face similar. According psicology she is clam and cheerful.
The second picture: he has long upper lip, maybe he is sarcastic.
The third picture: I think she has tso sides of face different, so she is moody. Her lips are thick, she can be talkative and her hair es fine, so she is a sensitive person.
The last picture: He has eye close together, so he can be short-tempered. He has thick lips and fine hair, so he is talkative and sensitive.