iphone opaque background logo?

How would I go about adding an opaque logo to the background of a simple scrollview with text on it? I want the logo to stay still while the text sc开发者_开发问答rolls.

I'd try putting a UIImageView with the logo behind your UIScrollView, and set your UIScrollView's backgroundColor to be transparent. I'd test that out myself, but my MBP is booted into Windows at the moment.