http://www.dfrc.nasa.gov/gallery/graphics/index.html
A lot of 3 views etc.
http://www.photovault.com/Link/Techn...HVolume01.html
http://www.aerospaceweb.org/aircraft...-m/index.shtml
http://www.combataircrafts.com/
Awsome at first glance.
http://www.geocities.com/usdoc6/hawkproject.html
Even if you aren't a GI Joe fan there is some good info on buiding a 1-off fuselage.
What are you looking to build?
The only material I have seen used is fiberglass (with ply formers). But the only "scale" heli I have is a Jet Ranger with no interior at all.