[The Other Harry]

It looks to me like the graphics were added to the photos afterwards.

Yep. Here's the original photo:

[rocknotsand]

Your picture was taken of another bomb. They load more than one.

Or maybe its not an actual bomb, just a large vibrator being moved around in the basement of an adult store in San Fran's dyking district. The people in back are the "It Takes A Village People".

[Don Joe]

"Here's the original photo:"

AKA "the 'blank slate' version."