It's also regional specific (presumably UK?), and not authorized by Samsung.
Use at your own risk.
It is now possible to play video files recorded from TV at correct aspect ratio using the USB Media Play facility by using a small software update.
Please go to the following thread for more details:
This software update does not change the firmware and can be used as a temporary measure when this facility is needed. It gives many more options to the Tools/Picture Size functions. When the TV is switched off the functions will revert to normal.