Help With DVD Burning

Hey all of you i need help with burning dvds like i know how to burn them and it works but they always burs in full screen and it cuts off the sides. can any one help and hook me up with a nother program that will burn in wide screen so it doesnt cut off the sides or strech the screen thx

they always burs in full screen

what about your source file that also a full screen? do u have any screen setting options in your burning software?