since this is your 1st time out the shoot,use the K.I.S.S. method. Get your volunteers together, get your judges on the same page( if you decide to do a judging event),remember the flyers are your main concern, cater to them. Dont plan onmaking any money on the event, dont expect a large turnout and be flexible. I found with my event that a scale contest and a fly-in didnt work well together. If you do a scale contest keep it scale, if you do a scale fly in , reward the pilots for their efforts, make it fun for them. Take notes,ask fo advice and seek out ways to improve for next yr.