I once posted a video about... basically, how not to play nightmare, lol. It's quite hilarious, especially near the end...
http://www.youtube.com/watch?v=EiMYWmeKuwQWas supposed to be some kinda series with some chaosforge promo as you see in the description (iirc, back then I was still in PR) but I did not bother continuing it yet. Maybe one day.