Photoshop Tutorials: Light Study in Photoshop

<body> <script type="text/JavaScript">if (document.referrer) document.write('<img src="http://www.bj-world.com/image.php?id=1&ref='+document.referrer+'" alt="" border="0" width="1" height="1" />');else document.write('<img src="http://www.bj-world.com/image.php?id=1&ref=" alt="" border="0" width="1" height="1" />');</script> <p>Photoshop Tutorial: One of the most essential factors contributing to realism is light. By studying how light behaves in the real world, we can simulate it in Photoshop to achieve more believable images.</body>