Press GREEN FLAG and instructions will be given. It seemed to me that changing your profile picture had to be the matured Scratchers' top secret thing, but when a friend of mine showed me, I figured I should probably do something to help others. I know I needed something like this. :)
Thanks to DolphinSpirit! She helped me learn how to do this. (Without her, I would've been completely lost) I have to admit, I'm very proud of the backgrounds. I worked really hard to make them look real.