"My First Cavity Search" Is This Disturbing Image on a TSA Computer at the Airport?

A photographer is claiming this picture was taken after looking into a TSA office at an airport. If you look closely at the wallpaper on the computer you can see a drawing with the caption "My First Cavity Search." Here is the picture which experts don't believe was Photoshopped.

Here is an actual image of the wallpaper:

Now in the past, we have pointed out other government bureaucracies that produce political rhetoric and propaganda for children in the form of coloring books and other handouts to encourage behavior not everyone would agree with in our free society. This particular piece of Homeland Security propaganda has their official seal on it, but it is not an official piece of propaganda by the Department of Homeland Security despite the claim it was on one of their computers in a TSA office.