(Obviously, there will be a lot of dick talk here, but of the art-historical and art-critical variety, rather than the sexual-arousal variety.)
On Facebook, art historian Reuben Cordova writes:
I’m giving a lecture: “The Penis in Art. A Short History, From the Greeks to Today.” Any suggestions?
and offers as an example this ancient Greek vase with the image of a naked woman carrying a gigantic penis on it:
(Such images appear to fall under the Fine Art Exemption for body display on Facebook, and presumably Google+ and WordPress as well. The point presumably being that the penis images on display are not of actual human bodyparts, but are fantasy creations.)
Naked men are all over ancient Greek art, and ancient Roman art as well. A few more examples, then a pile of links on this blog and AZBlogX to phallic art, and a sampling of modern penis art not already covered in my blogs.