I am going to tell you how to make a Fallout 3 power helmet from a Darth Vader helmet.
Step 1: Materials
1. Darth Vader Helmet
2. Aluminum foil
3. Duct Tape
5.Piece of vented metal
6. Black/silver spray paint
Step 2: Foil Wrap
Take aluminum foil and cempletely wrap helmet except for head slot and air ventage.
Then duct tape some of the foil to keep it on the helmet.
Now to one side of the helmet Duct tape a flashlight on and where the eye holes are duct tape
sunglasses there. Now take your piece of vented/slotted metal bend the ends and Duct tape it on.
Now you need to spray paint it all except the lense of the sunglasses and the flashlight lense.
Then let dry.
Now choose your side Brotherhood of Steel or outcasts