Actually you're not suppose to send an email. August 15th @ noon Denver time, is when sign up starts and there will be forms that get posted to the website (on the 15th), here is where you should look for them:
http://ndkdenver.org/activities/cosplayThere is usually an announcement that goes on the main page about CC signups as well and it should have a link to the forms.
If you haven't done so yet please read the rules, as information about when and how to sign up are in there. They are located here:
http://ndkdenver.org/activities/cosplay/contest-rulesIt should also be noted that the time the contest starts has changed from 7pm to 6pm on Saturday. As such craftsmanhip times have also changed.
We will offer craftsmanship slots on Friday from 7pm to 10pm and on Saturday from 9am to 3:30pm. With an overall addition of two hours of craftsmanship judging time!