So, you want to have a cool looking ship to show your players? You got zone maps, and a really cool ship name but but no unique ship exterior image?
Then use this little link.. Its procedural driven, and its a lot of fun..
I could not find this link when I posted this original thread, but if you wanted a quick and dirty ship or space station floorplan, you can use this link..
Added DonJon Map tools to the list.