This directory contains large, and in some cases uncropped, tiff and gif images for some of the figures in the paper. The images are labeled by fig#?.{gif,tif} where # = the figure number from the paper (1,11,12,14,15) ? = lt: Left, mid: Middle, rt: Right. If there is more than one left or right image, they are denoted by l1,r1,r3 etc.