Don't waste all the extra sets!
1) Open up the Editor
It places you at the center of the map ( grid 10.24 / 10.24 ... you'll see this if grib box is checked )
2) Click on Objects tab
3) With your "snap" box check, click the mouse in the center of the 10.24 /10.24 grid
4) Find your P51D from your "available shapes" list and click "add shape/group"
5) You'll see a Object Properties Box pops up
6) enter 100 in the Y section ( this is so your plane will be 100ft off the ground and you'll be able to move and look under the plane.
7) Click ok
8) Close editor, clicking yes to "Do you wish to save"
9) Restart editor and look at your plane
You will see the changes that you did, if not then something is wrong with what you did to the .bmp file.
http://accesswave.ca/~tscott/AH-stuff/P51SIDE.bmpPlace this file in your texsrc folder and go into the editor and look at your P51D plane.
Pokie