New to zombie mod need some help

[.:{Cleav™4²0}:.]

Sup all. I am new to the whole zombie mod thing. I have a CS:S Server and need some info before i install Zombie mod.

When i d/l the sourcemm-1.3 can i still have mani instaled?

Also is it real hard to edit the zombiemod_v1.2.4 to my likeing?

If theres more to know than what i have asked let me know.

Thx .:{Cleav™4²0}:.