
I've already explained how I converted one of them into a "realistic" movie-style version of Captain Rex's helmet from the Clone Wars animated series. You can read about that little project here: LINK
Since I was on a roll with Star Wars stuff and I needed something frivolous to distract me from my actual paid projects with fast-approaching deadlines, I went ahead and converted the next one into a Phase II ARC (Advanced Recon Commando) Trooper helmet.
Here's the finished result:

For step-by-step description of the conversion process, and a lot more photos, read on...