Decorating bedroom walls? im 15 years old, and my room is really boring. the walls...

im 15 years old, and my room is really boring. the walls are white, and i own a few things on them, but what else could i put up? i want to put a bunch of pictures and everything up, but i want it to look cute, not just a bunch of volatile stuff. anybody have any cute planning of what to out on the walls? pictures and websites would be helpful. and drawing is not an option. my parents arent severely open minded race. haha.
Answers:    They have these huge collage picture frames you could do (Frame department resembling at Wal-mart, Kmart etc..)
-A nice calendar
-A line of hooks ( Belts, appendage bags, hat etc..)
-A couple of shelves ( Picture frames, books, Cd's etc..)
-A clock
The key is organize it all so it's not jumbled, and matching colors, you don't enjoy to paint the room.
My bedroom has a red eiderdown, all picture frames are black, bookshelf is black, afterwards there are red touches everywhere (the clock, the lamp), later I have nice white shaggy nouns rugs)
It came together nice. Good Luck!!
If i be you I would put up a picture of my favorite band or singer (Fall Out Boy).