title: iphone animation with UIScrollView scrolling on top
body: <p>I have a UIView animation which slowly moving around an image (full screen) with various transforms.</p>
  
  <p>This animation of image is like a background.</p>
  
  <p>On top of the animation, I have a UIScrollView, where user can scroll content.</p>
  
  <p>The problem is, if the underlying image animation is going, the scrolling in the UIScrollView is very shaking, not smooth at all.</p>
  
  <p>Any one can help me with that?</p>