title: Creating random images at random position in corona sdk
body: <p>I am using the following code in corona to create a random images at random position
  each time i run my code, but when i run the code i get all the random selected
  images on the same position on the screen</p>
  
  <p>Here is my code please give suggestion.. thanks in advance</p>
  
  <p>---- in  the create scene this code is places</p>
  
  <pre><code>letterHolder = {} 
  numOfImages = 10 
  
  for i=1,numOfImages do
     letterHolder[i] = display.newImageRect("images/myImage.png", 20, 20) 
     letterHolder[i].x = math.random(0, display.contentWidth) 
     letterHolder[i].y = math.random(0, display.contentHeight) 
  end
  </code></pre>