[iPhone] How to have a background showing under a transparent EAGLView?

I'm trying to have a fix background that is blended with the OpenGL contents.
I've tried to set an UIImageView at the back of a EAGLView but the image shows on top of the EAGLLayer. So I guess I am doing it wrong :]
Is it possible? I also read that it will also imply a severe performance hit but I am still wondering how to do that.
Any help will be greatly appreciated, and bonus points for sample code!

Hi, that's easy too.
[myView setBackgroundColor:[UIColor colorWithPatternImage:myImage]];

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[iPhone] How to have a background showing under a transparent EAGLView?

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