That is simply amazing, I would very much like to know how you made the ship's hull? I have tried several times to model one myself but so far it did not exactly work out as I wanted. Then again, I did not use any real reference, as my intention is to model "fantasy" ships, but in a relatively realistic way. You can see my first and only ship model here: http://sketchup.google.com/3dwarehouse/details?mid=9e6b654818d10f3235a0cded8b1ae711
The ship's hull was made in a rather simple way: I drew the profile of the lower part, used the "follow me"-tool to extrude it circularly and erased the upper half. It worked, but I am not entirely happy with it.
Although this ship model was by no means meant to be realistic in any other way than that I based it on what I know about galleons and other sailing vessels (not much, but I have been fascinated by them for all my life and had been assembling plastic model kits of them as a teenager) this model has already attracted the interest of several other people who wanted to use it for different purposes, one even used it in a book about naval archeology, which really puzzled me.
So it certainly can't be that bad but I am not quite happy with it myself and I am also interested in doing ships with interior, such as yours. But I don't know how to
Any general tips for that, maybe? I hope I am not annoying you with my question and would very much appreciate your help. I am not very active with Sketchup at the moment, but I intend to be again, soon.
Sorry for any language errors, I am from Germany and even though I have been studying English for some time now at university, I know that I am still not perfect.