Diamond Select released a few waves of 7-inch SGA action figures. Wraith figures include Queen Mina, a masked warrior, scientist Erik, and a rarer mailaway repaint of Erik with green skin and labeled as Steve. The level of detail on the figures and weapons is superb.
Product Review: http://www.mwctoys.com/REVIEW_020408a.htm
The artist has his sculptures in his gallery on deviantArt: