This is an older machine, the newer backscatter X-ray type make pictures that look like this:
http://www.cbsnews.com/8301-504763_162-20022861-10391704.htm...
Yep, your "junk" is fully visible.
Paparazzi's wet dream... I mean, if the LAPD can't keep pictures of a battered Rihanna from TMZ[1], wait until Paris Hilton decides to fly commercial through LAX. (Celebrities can't always afford charter, can they?)