We'll if you have figured it out, the decal experiments I was referring to are these pics from Tac. Utilizing a variety of helmets and armor from Space Police III, Power Miners, and BrickForge. TLG is obviously taking notice with the World Racers helmets. Helmets from Space Police and Power Miners just beg for this type of treatment. But wait, there's more!
If you read through the comment thread JasBrick steps up to the plate and give an impromptu tutorial on decal application. For your consideration: