Setting up QoS for internet priority to my xbox 360

Hey guys im really lost, ive asked all around the internet and no one can seem to help me, Basically all i want to do is give internet priority to my xbox through QoS. my modem is netopia motorola 2247-62 here are two pictures of what i see http://gyazo.com/b65c9a35e2cefc3ecb91bc11817b7b07 http://gyazo.com/b65c9a35e2cefc3ecb91bc11817b7b07 can some one just explain to me which details i need to fill out and where i get them from.