This one not only consists of a lovely background but is in fact a complete desktop. Peter Conteos (firstname.lastname@example.org) is responsible for this piece of artwork in action, although Greg created the Doom icon (left side, sixth from the top, one in: a pink ugly biting the dust):
Here's a zinger at Windoze 95, non-ray-traced but still lovely; Darryl TiCian created it and has a link to a larger version on his DigiMages page:
These two are pre-release screen shots of Avarice, the new Myst-like game developed by Continuous Software Systems (email@example.com) and distributed by Brad Wardell's Stardock Systems (firstname.lastname@example.org). Greg even joined the beta program, by golly:
And this is what the game looks like in its final release (July 1996). Yowza!
And this is a pre-release screen shot from Entrepreneur, the new simulation game from Stardock Systems (email@example.com); lots more screenshots and information are available on their page: