For your IPs - anything thats not currently in use between 192.168.1.2 and 192.168.1.254 shoudl be useable on this network
It is worth looking at your router to see what addresses it hands out with DHCP over wireless and make sure you use a different address to stop conflicts
DNS, Default Gateway, Subnet mask will be the same on wired and wireless. Subnet mask will be 255.255.255.0 and DFG/DNS will be 192.168.1.1