Short answer: yes

Long answer:

> a) Bridge the 192.168.1.0/24 to Card2

Use either a filtered or unfiltered bridge between WAN and OPT1

> b) Allow access from LAN to WAN with one of those IP's

Yes, set m0n0's WAN IP address to the IP you want to use for your NAT
clients

> c) make m0n0 not to have really one of those IP's, just a IP 
> on LAN to be managed

Well, yes and no. m0n0 will technically "have" one of those IPs, but it'll
use it for NATting your LAN clients.

Regards,

Chris
-- 
C.M. Bagnall, Director, Minotaur I.T. Limited
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