with this photos so far u can see using the rule of third and how she is in 2/3 of the photo

with this photos iv edited the brightness and contrast, and also took away the deep shadows on the eyes to eyes are a obvious view point. and with most of my photos with my sister in will be edited like this innless in different area.

and similar sort of editing with these people

with this person there is a quite High contrast and the dodge tool has been used.