Halo 3 How to snipe 101

First things first go into Lone Wolves, and if it's Crazy King on The Pit or on Snowbound, grab a Sniper/Beam Rifle and sit across the map, See sombodys back turned Doubble shot them, getting blasted with a BR/Carbine? Hold the Zoom button for a 6x zoom and blow their head off. best thing to do with a sniper is use the ammo wisly, if it's to hard of a target going for your teamate, shoot it in the back so that they can get the kill, if it's standing still and shooting your sniper perch with a needler or some n00b gun BOOM HEADSHOT! If they're running like hell and jumping, dubble shot them or if your good enough Slowly wait for them to jump and blast the back of their head. Using this stratagy i got a running riot 15 - 0 and 1 away from a running riot before i got the riot 14 - 1 end of the game 31 - 1 died once, could have had an invincible but i was cocky and wanted to kill sombody with out checking my surroundings, i got beat up by an overshield Fag and 3 other people X.X