how to make your background turn into a picture sort of like a hallowwen one i treid going to that box and it didn't work and now i cant make my profile good as others

u go to ur account then profile setting then design ur profile then u have to browse from ur computer u should have pictures in ur pictures on ur computer and also make sure that the size will fix then u choose one u just go down on the bottom on ur page then click save and there u go there ur background if that doesnt work then send me a message so i can do it for u.....good luck :D