Hi There its dgspk I'm new to the forums but i love zombies and i was in progress of creating my own map and i don't have the full on skills i need to proceed i don't know exactly where to post this but i thought here would be a good idea... i have been looking for custom zombie maps tutorial i know how to make box rooms add wall weapons perks and all the normal stuff but i have no clue were to start about adding custom weapons, detailing the map to make it not plain, and also just trying to create a map people will enjoy i love the point of making custom maps i have been trying to do it myself but after i get so far into it i don't know where to head in such as the adding custom weapons, detailing the map to make it not plain i would appreciate it if another mapper can  reply and be in contact with me to get a little more tips and trick about more of the advance map building because i think I'm in between right at the moment

ALL HELP NEEDED PLEASE AND THANK YOU 

or just let me know if this is no way possible I'm really looking forward to meeting new mappers and sharing ideas and code and also mostly the map making tool radiant

for terrain tutorials, BlackJackJonnyy has good stuff:
https://www.youtube.com/playlist?list=PLAB38E6D9392A8D02

for custom weapons Treminator has some videos on that:
https://www.youtube.com/watch?v=9xYRbMmNZaA&list=PL29D93C24D94696C5&index=6

i'd also suggest SajeOne's tut's for importing new models to COD:
https://www.youtube.com/watch?v=qmwHUlI4y50

best of luck =)

These videos will get you started.
http://youtube.com/playlist?list=PLc7t4ZxTyTwqpWQpxYwxIojFvnaAsQeup

These will help you add detail and learn more about radiant.
http://youtube.com/channel/UCIkU1xPvgfJQgo0w3o1PzVw

Check out the tutorials on this site as well and don't be afraid to ask for help in the desk help section iof you need it