When watching football and tennis in HD, what setting do I need to use to prevent the lines on the field to not appear to be moving? I have a 46 inch Samsung 46A550 set.:confused:

Welcome to the forum. You are in the wrong section. Please check the LCD flat panel section: http://www.avsforum.com/avs-vb/forumdisplay.php?f=166 . There might even be an ongoing thread dedicated to owners of your specific model. Try the search function as well.:)