Blade Runner-inspired car by Maciej Kuciara. (Discovered via my Google recommendations this morning, even though it was apparently posted in February 2010.) (Which is awfully creepy.)
Monsters by Trevor Spencer.
Dog by Saud Boksmati.
Evil Eye by Brandon James Scott.
Tie fighter cockpit from this collection of Ralph McQuarrie art. (Site is NSFW.)
*Buy Ralph McQuarrie concept toys at eBay.
