I have seen several times where like when you type in someone's name in the search bar and their profile is set to private, on the page of what YOU see, they have a background....How do I do that?

hey Christy new at this u know with all the background stuff so can you help me find a background wit happy bunny and has my name in bright letters if you dont mind helping but if you dont then thats kuul i know some peps are bizzy so yup!?!

!HOLA!