Very interesting Entertaiment Weekly article on the making and history of "Manos, the Hands of Fate" (literally, "Hands, the Hands of Fate"), possibly the worst movie ever made: http://www.ew.com/ew/report/0,6115,1068572_1|108958||0_0_,00.html
I watched the original. If it is as funny as it sounds, I may have to get the MST3K version as well.
Next up:
Matango: Attack of the Mushroom People
P.S.: I think this is the movie from which one of the greatest 80's SoCal bands of all time got their name:
Grandpa's Become A Fungus