One more to add:
User:buyer, established sockpuppet account, running a self-moderated thread here: https://bitcointalk.org/index.php?topic=224763.msg2400890#msg2400890
promoting this site:http://sellbitcoinforcash.com/MPOut.php
The site is a scam, though, fortunately, the user can't code his way out of a paper bag, see screencap:
http://s16.postimg.org/hb05qbqf9/Capture.jpg