title: How to make theme based iPhone Application?
body: <p>I want implement theme property in my application project in iPhone. I have near about 5-6 background color at level one and 1 more background at level two and 3 images which I want to change on the change of theme. </p>
  
  <p>I want to control all the colors from one central location.</p>
  
  <p>Tell me the best way to achieve this or any tutorial for it or any sample code for it.</p>
  
  <p>Thanks in advance</p>