Are you splitting the Xbox singal like I have done? Because if not, your settings will be different. The best idea is to play with it.
http://putfile.com/pic.php?pic=11/31117432350.jpg&s=x11
How do you crop images in photoshop to a set size lol? I always play around with the image dimensions by inches to get it to work. Where is the freaking free size crop?