Wish I had one as well, my attempt isn't turning out too well even with that file ML2166 posted
I've been at it for 4 hours now heh
this actually helped me thnx MLFirst you will need Photoshop CS4 or higher.
If you do not have this, the 3D model will not work for you.
You can either paint directly onto the 3D model, or onto the 2D DDS file to create your helmet.
If you take a look at this video for the cars, it's basically the exact same principal.
http://www.racedepartment.com/forum/threads/very-very-basic-skinning-tutorial-ml2166.51026/