halo 3 map help please??!!?

[Eminem]

i went to bungie.net and downloaded some maps but how do i find them on my xbox 360???

 

[Mar B]

they should be in your dlc for halo

 

[Dick]

you have to sign onto your account on bungie.net then download stuff then log onto your account on you xbox and start up halo 3. after a min or two there should be a thing at the bottom that says its downloaded