Based on the article from Mondo
I'm not sure if this will be for sale there or not but am posting in case
Tyler Stout lent his stunning artwork for an alternate cover of Boom! Comics’ Big Trouble in Little China #01. The print originally was made available as the official poster for Butt-Numb-A-Thon 9 at the Alamo Drafthouse in 2007 long before Stout was a household name.
http://blog.mondotees.com/2014/08/21/mondocon-2014-panels-screenings-exclusives-and-more/