title: Engine_Exception with message Method "createThumb" not supported on Amazon EC2
body: <p>createThumb() method working with localhost on apache server.But, the same function not working with Amazon EC2. Which is showing an error like,</p>
  
  <p>exception 'Engine_Exception' with message 'Method "createThumb" not supported' in /var/www/justrides/application/modules/Core/Api/Abstract.php:46</p>
  
  <p>GD Library enabled in the server. Any suggections please.</p>