Photographer Stefano Bonazzi's series Smoke, where nude subjects vanish into the air.
@mateurdart is a French-language blog on erotic art in a wide variety of eras and styles. (NSFW)
Abstraction by Shintaro Kago is distilled surrealism, a fourth wall-smashing comic that amazes at every turn. (NSFW) [more inside]
Yaoi is a form of Japanese erotica "written by women for women readers", focusing on aspects of male-to-male relationships which otherwise tend "to make real gay men snicker." Still, gay men can and do create a wide range of erotic art within and across the yaoi genre.
"My hobby? It's funny you should ask... I make erotic carvings out of coconut shells..."