Photos NASA picked to explain our world to aliens
vox.com
vox.com
I'm also amused at the idea that NASA was concerned about photographs depicting nude humans. Even on a document intended to be launched into the depths of space, the bureaucrats were concerned about perceived indecency.
I found this line hilarious, originally taking it to imply that they were forbidden to cast their song into the void on the basis of copyright.
http://webodysseum.com/art/116-images-of-the-voyager-golden-...
The only advantage would be prior knowledge of this record, and human biology (rgb color).