I can't remember whether or not this website has been posted here, but the
discussion in a thread about the La Caja China Roaster led me to dig this
up:
http://cuban-christmas.com/pigroast.html

A great step-by-step tutorial and pictorial for a cheap, quick homemade
whole hog pit.

--
Dave Bugg
"For it's 'guns this' and 'guns that', and 'chuck 'em out, the brutes',
But they're the 'Savior of our loved ones' when the thugs begin to loot."
- Rudyard Kipling