!nextmap,!time..

[kung foo man]

That's also B3, but with power admin plugin (B3 sets a cvar, CoD2 is polling it for action).

[Loveboy]

I don't understand what you mean, but you can set the b3 on all gametypes.
The b3 has got many commands, and yes the two of the commands are default installed in b3.

As expample this is not default installed: !pickup , with that command you can take a guy.