I made a few vids and uploaded them to YouTube not too long ago. When you decide to install a set of $300 decals on a pinball machine you better do them right! The videos below are from my Indiana Jones restoration. Look for vids from my upcoming Attack from Mars restoration that I will be starting after we have moved 
IJ – Removing Main Cabinet Decals
IJ – Installing Head Decals
IJ – Installing Main Cabinet Decals