Teams are provided with a bag of shredded paper, which is four sheets of 8 1/2 x 11 paper printed on both sides. One side of the paper contains the following image:
which are, clockwise from the upper left: herrings in red sauce, a Matrix-like cover from Red Herring magazine, the cover of a novel called Red Herring, a herring colored red, and a statuette of the Tick villain called The Angry Red Herring.
All of these can be ignored in favor of the image on the other side:
...which, though the words have been photoshopped out, is the following photo:
and this is the answer. (Those are K-rations from World War II, by the way.)
Teams' solutions usually looked like this: (click for a larger photo)
(I believe these photos were from the team "Up Late". Thanks!)
(Printing note: the left side of one image should be on the reverse of the right side of the other, and vice versa. The files are named accordingly--so the back of "f1" should be "b1" and so on. The images above are links to the full images, or use: f1 | f2 | f3 | f4 | b1 | b2 | b3 | b4.)