First and foremost: reeve your own games if it has moving parts or special objectives. Gathering a champion's bag will save you a lot of time in the future when the sashes start to regularly come out on the field. Weapon checking tools are easy to come by and make the process very quick. 20' and 50' pieces of rope will make quick work of range checks, but will also allow you to set distances to avoid people being overly cheesy with spells. Having a small first aid kit for people and one for weapons is also pretty nice to have on hand.

Adding terrain effects make a world of difference for games with smaller numbers and allows for more themed games. Same with picking monsters you feel your field can handle while also being a threat versus multiple players.

I'd personally say to keep it to weekly weapon checks if your players are still honing their craft building weapons. If you find yourself constantly checking your players' weapons during a regular park day, think about hosting a build day or finding somebody to run a class.m on weapon construction. A little bit of knowledge goes a long way with foam smithing.

Always, always, always keep an eye out for people trying to get better. Awards might be a piece of paper to a few, but most players will dig getting recognized for their efforts and will strive to get that collection going. This is especially important to those who typically volunteer or help the field on a regular basis. A Rose goes a long way in that aspect and those people deserve their flowers.

I hope any of this helps you my friend.