Thinking About My Film Poster

From doing research I have came to the conclusion on the features that is going on my film poster and also what the main image is consisting of.
I think I have decided that the protagonist is going to be a front shot or back shot, if it is a front show he will be very emotional as he is so alone. I have decided the background will be one of my locations on the film, the abandoned holiday park called Atherfield bay holiday camp. This will show how abandoned his surrounding has became and ruined due to the carnage of the disaster.
From research of others, I think the tagline will be best at the top as this is where you generically see them and the audience are aware of it.
The billing block and partnerships will be at the bottom, from all the posters I have seen it is like this also. Therefore mine will follow the same traits.
Moreover, depending on the position of the protagonist in the image, The title will either be in the middle or above the billing block. This is where you are focused the most and knowing the title of the film is very important to know what poster for which film you are looking at.