Figure out how to put a background on my profile?

how do you get pics in the background of your profile???

how do you make you profile background a different color other then white?

How do you upload pictures on my profile?

How do you put what your interests are for your profile? Like the thing on the side, the little box that says it. :p

I've seen some people that have a decorated background, how do they get them?

How can I put a photo on my profile??

Ok I can't figure out how to write a description of me on my profile... can I? Or am I beiiinnng reeeallly dumb... lol Thanks...

What can I put in my profile that is fun and bright?

how to change my profiles background ?,,I want new design a colorfull one will do..:)

Under your b-day and stuff like that, how do you put that extra stuff like what music you like and stuff? thanks!