TomaTito on 15 September 2014
Apparently they did post some bra shots, but I guess they got deleted too quickly for Kotaku.
https://miiverse.nintendo.net/posts/AYMHAAACAAAYUKlnHcILKQ
More in the source here: http://nintendoeverything.com/mario-luigi-dream-team-glitch-lets-players-share-any-picture-on-miiverse/