Need help with halo 3 achievements.?

[Izael V]

I need help with halo 3 achievements if anyone can help me my gamertag is izaelv.

 

[Creath]

mine is CrazyOZ664 and rule at halo I can go on at 5:00 - 8:00 today, and otherwise just sent me a game invite. Rember to send me a friend request

 

[modracer_03]

depending on what achievement it is. if it is the vid master achievement where you have to beat the last level on heroic then no. i have helped too many people with that one. but any other one is fine. my gamer tag is D Giles21. i will not be on until tomorrow though so yeah.