title: How to Start Three20 Photo Viewer in Thumbnail view?
body: <p>I followed <a href="http://www.raywenderlich.com/1430/how-to-use-the-three20-photo-viewer" rel="noreferrer">How To Use the Three20 Photo Viewer by Ray Wenderlich</a> tutorial it was very clear and working perfectly, my question as the title, How to Start Three20 Photo Viewer in Thumbnail view?</p>
  
  <p>I am greatly appreciative of any guidance or help.</p>