Girl Scout Service Unit Powder Puff Derby. Recently a parish wide Service Unit 226 Girl Scout Powder Puff Derby was held in Gueydan. All girl scouts from Vermilion Parish participated in a pinewood car race. Winners were chosen from each level of scouting including Daisies, Brownies, Juniors and Cadettes. The first place winners from each level vied for the coveted title of “Powder Puff Derby Queen.” The 2010 Powder Puff Queen was Brownie,Scarlett Olson.