Indie bedroom tips and ideas?

ok so im going to re-do my room but the walls have to stay white and it has a bath room and a step so i was wondering if you guys had any indie bedroom tips and don't call me a hipster or poser and no rude comments please. Im gonna hang up some band posters and my band logo im also gonna hand up my own art work my guitars and paintings from my favorite artists and this vintage painting i got from Germany. so yeah i just need tips and ideas for everything. thanks! =) XOXO