Call of Duty Help with Bo1

Hi there, I have been trying to complete all black ops 1 achievements on the 360. so far i am 47/71 . I have completed the whole campaign (on easy and Veteran).

https://gyazo.com/a8b223eb393fe59f2249385b9bbecc38

I have 3 DLC Zombie maps, (Ascension, Moon and Call of the Dead)

I need help getting black ops Zombie achievements on all 3 of these maps.. Is anyone able to help me with this??