XXX Rays

AITOOW doesn't see why the TSA scanners have to show an image of a person's body at all? Why not have it reveal a blank screen that just illuminates any prohibited items if they show up? I'm so sure that they delete the files. How are x-rays of minors not kiddie porn? And does anyone feel that all their warnings to show up early are just a way to make sure that they don't have to stay later at work. If they push up time the last passengers go through security then they can get home earlier.