Why not find some pre-existing images, like:
http://www.solegends.com/citbfg/
I've attached a number of these for your ease.
I've developed a fleet from the Eldar BFG fleet off that site. Still working on the other elements, but it gave me a good basis. You can also try:
http://www.dakkadakka.com/
http://www.garrison-clubs.org/clubs/...attlefleet.htm
http://www.pictorsstudio.com/battlefleet.htm
[This message has been edited by greghacke (edited 17 May 2001).]