Halo 3 ODST vid master achievement help?

Is there anyone who is playing odst? I really need help getting Deja Vu and Endure vid master achievements. Please help me. I really want recon and I have worked so hard getting the other 5 vid master achievements-annual, 7th on 7, Brainpan, Lightswitc and classic. I just need3 people who wont quit out on me. If you can't help can you tell me about someone who can?My gt is Immoral Demise