You can make the nose of the B-25 solid, i belive, by making the alpha channel for it completely WHITE; that is, if it's not a 3d nose. Otherwise you can. You can import an alpha's to an image by using DXTbmp,
Ah, yeah, forgot to add that, there was a topic earlier on this froum about that, there's NO WAY to decompile an MDl file, which no doubt is a good thing