Guys Bedroom (ladies Please Help)?

Just had a questioon about a Guys Bedroom. I mean What do women think if theres nothing but scarface stuff all over the room? Like what certain things can A Guy like myself do to my room to make it look like a lil kid sleeps in there.. Like should there be a certain theme to the room? My prob is that i got scarface posters all in my room, its a VERY CLEAN room, but girls say Im just a lil kid when it comes to my room!! please help!!