1) click on the VDD niTriShape (highlighted blue on the LEFT in my screen shot and then right click until you see the box with options (in black on the right side of my screen) choose 'Remove Branch' - this will get rid of the original body.
2) click on the VDD niTriShape (highlighted blue in on the RIGHT in my screen shot and then right click until you see the box with options (in black on the right side of my screen) choose 'Copy Branch' - this will copy your new body body.
3) click on the 'scene root' of the original/LEFT VDD. Then Right Click until you see the box and choose 'Paste Branch' (see picture, more follows)
Now in picture 2
1) click on your new body of VDD. you'll see details open up.
2) click on materials and you see at the bottom more details.
3) the three lines here you'll adjust for the shaders. For now leave it as is and save it. You can go on to add the hat in and everything else or set-up the xml and test in game.
When in game you'll see if its real shiny. if so lower the glossiness to 10. you may also need to add specular color. click on that stuff and mess with numbers. you can do this while the game is still running, make a change in nifskpoe save it, and ten just refresh your civilopedia by clicking another leadr and then go back to gustav.
After doing all this, you made your first leaderhead! Congrats, now go make a Capo Leaderhead gallery