What are we looking at? The top 4?
The first one is interesting. I'm not sure what I think of it yet. From a model perspective I don't think it does anything for you. I think I might crop it so that your face is the primary element on the left and the background people? are the primary element on the right eliminating a lot of negative space.
The second is way underexposed. Bad lighting leaving your eyes to appear as black holes.
Then third displays a very poor use of a fill reflector or flash over illuminating your neck in comparison to the rest of your face. Had your face been better filled and / or less light on your neck this would have been a decent shot.
The fourth is pretty bad composition and does nothing for you as a model. Nice sunset and nice concept but could have been done better