Ratio of the TIR intensity (Section 5.4) to the H0 column density (Section 3.2) as a function of the visual extinction (Section 4.1) for the entire LMC and SMC. We also include data points that correspond to those in our sample in the LMC and SMC. The grayscale represents the number of pixels at a given TIR/N(H0) and AV bin, with contour lines representing 2, 10, 100, and 1000 pixels.