I was always under the impression that all CCC entries should be in the MOC forum? If not, c'est la vie and sorry for posting in the wrong place m'lords!
Not a big deal--we're here to fix it. I'm not sure how rigorously the distinction is policed, since the CCC is always a time when there is a flurry of activity on the forums, but in *principle* it has always been the case that Customs go in the Customs forum and Castle MOCs in the MOCs forum--contest or no context. Of course, the line seems fuzzier when you get the Green Knight or Boses doing their thing, where they make a "custom" minifig using only purist parts--a terminological confusion stemming from the double-use of the word "custom." On the one hand it seems to mean non-standard creation (any MOC would qualify); on the other it is generally used of modified parts (which most typically come together in a Custom fig)--those belong here.
Hopefully that clarifies rather than mystifies things...
~Formendacil - Moderator