ReturnImage.php

<?php
  // Better Script: https://stackoverflow.com/questions/900207/return-a-php-page-as-an-image
  // open the file in a binary mode
  $name = 'path/to/image.jpg';
  $fp = fopen($name, 'rb');

  // send the right headers
  header("Content-Type: image/png");
  header("Content-Length: " . filesize($name));

  // dump the picture and stop the script
  fpassthru($fp);
  exit;
?>