nothing
When a girl is constantly Hitting and being mean to you and smiling she most likely flirting with you but if she is not smiling she is probably serious which means she does not like you. It goes both ways.
she thinks your weird
Maybe she thinks you like that girl and she is secretly in her mind putting a heart around the two of you.
Whose is the photo? Who is the girl from the photo?
Presumably, the word "cheese" makes a smiling facial expression for the photo.
Since I am a girl, you might want to have an answer from their point of view. It usually depends on how well you know them. They either are just happy and smiling, they like you or they just heard a joke and was recently laughing.
Smiling Girl - 2009 was released on: USA: 29 September 2009 (internet)
it could mean she likes u or that she just is looking at something else
that mean she like you
sometimes meand that she is jealous of your girlfriend because she likes u
The girl doesn´t have a photo
he is happy