Server Config Commands (as found in the game.cfg) :

Max Bots/players Allowed(1-12 recommended) You dont really need to change this
set maxclients 12

Match Time (mins) 11 is a good setting as you can play 5 maps in an hour including map change overs
set timelimit 20

Skill Setting (0-9) this is not implemented yet though it will allow the overall skill of the Bots to be changed
set skill 5

View Weapons (1=on 0=off) Default is 1 and will allow you to see what weapon the Bot is holding
set cl_vweap 1

Deathmatch mode (1=on 0=off)
set deathmatch 1

CTF mode (1=on 0=off)
set ctf 1

Flag keeper mode on/off (default off = 0,on = 1) (get the flag and get points for the time keeping the flag .. your teammates also get points)
set zigmode 0

set the spectator mode on/off (default off = 0,on = 1) fire button-catch and release & [ or ] button-select target
set spectator 0

bot lists are kept in the 3ZBConfig see Configuring Custom Bots for info on creating and adding custom bots.
set botlist default

Map List (found inside 3ZBMaps.lst)

You can set up map looping pattern in the 3ZBMaps.lst file. 
Write pattern section name between "[" and "]". ie ... [xdm]
Write mapnames below section name.

 It will look like this ...

 [q2dm]
 q2dm1
 q2dm2
 q2dm3

And in the game.cfg
set maplist xdm

Start Map The 1st map you wish to start on
map q2dm1