I really like big rooms with a lot light and only a few things in them. I want the walls to be white, so all the things I put in the room will give it color. I am a big fan of pictures, either a lot of small ones or one big one. I have a huge b&w photo of a Chinese scenery in my old room (it's way too big for my college room, so I lefty it at home). In my room at school I have a b&w poster photo of the NY Times square. Yes, both are grey, but I have enough stuff to not make the room look too dull.
If you have a picture you really like, I found a great method how to make it poster-big on College Fashion:
(PS: I really like this Japanese artist, I have a picture by him too)
Besides pictures, I also like curtains on the wall. I found this picture on weheartit and I will definitely hang a nice curtain behind my bed. This idea is great if you don't have a headboard (like me).
(And I will hang up some fairy lights too, I love them especially in winter)
As a student and a person who loves books, I think you cannot have enough of them. Purchasing them without limits will enhance your skills and knowledge, but inevitable take more and more space in your room. Here are two ideas to store books, which I will definitely try when I get back:
(found on moredesignplease)
(found on pinterest.com)
I just love books, I could never have enough. And I treasure them a lot.
(on a sidenote: I'm reading Me talk pretty one day, by David Sedaris)