if you do not have mods for a certain map and you sit on your xbox or jam something in your xbox to stop your disc there is an easier way. you can corrupt the map files so halo matchmaking will never play them. also getting a bridger is smart because you might play other modders and whoever's host will probably have the advantage. if you're tired of modding you can always circle boost with your second accounts
never heard of corrupting the old map files due to the fact that old maps load off a cd. what? take the cd out and make scratch's in it hoping that you scratch a old map? haha.... how? i usually use the paperclip deal. works great!