ip's and dmz question

hi all i'm trying to put my web server in the correct place i have a firewall that give access to the (masqued)LAN now i think i should build a DMZ to put the webserver in. that's how i think it should be: INET | | eth1 IP:DHCP --------------- DMZ | | | FIREWALL |eth2 IP: PRIVATE/PUBLIC???? | |------------------ | | | -------------- --------- |eth0 IP:192.168.0.254 | WWW | IP: PUBLIC | --------- GateWay: ISP-Gateway | LAN Gateway: firewall ip(192.168.0.254) + Any Suggenstion? + what ip should eth2 use? Thaks a lot... ...and sorry for my english Karlos