SANCTUM Sanctum is a medium sized symmetrical map that can support any gametype. Best for 4-12 players WEAPONS Sniper Rifle x1 Fuel Rod Cannon x1 Carbine x2 Plasma Grenade x4 Machine Gun Turret x1 Battle Rifle x4 Bubble Shield x2 Mauler x2 Plasma Rifle x2 Brute Shot x2 Plasma Pistol x2 SCREENSHOTS WIll be posted in a later time. DOWNLOAD: Bungie.net : Halo 3 File Details
I don't know if you are still working on the screen shots or if you are confused but You need to have a t least 1 embedded picture in your map. Here is a link on posting pictures with HaloScreenShots and here is a video on posting pictures correctly from BL00D F1R3.
I just download this and it's pretty good. A liitle open and you need to straighten things up here and there, but I'll give it a 3.5/5