Decorating an Army room? 10 Points.?

Hey, I'm a female in the Army and have just been posted to a new unit. I'm living on post and my room is quite small. The walls are brick and I have a bed and a desk with some cupboards in the corner. I really want to decorate the room creatively and want some ideas. The walls are really bare. What can I get tomorrow in the city to liven it up and stuff? I don't want it to be army orientated either. Thanks!