Progress sequence of one of the painted portraits done for An Evening With Arnold Schwarzenegger. This was signed by the man himself and auctioned off on the night. Medium: Acrylic paints on art board. By Craig Mackay. Published September 11, 2017 at 1200 × 800 in Progress sequence of one of the painted portraits done for An Evening With Arnold Schwarzenegger. This was signed by the man himself and auctioned off on the night. Medium: Acrylic paints on art board. By Craig Mackay.