To help the players stay upright on the field, trim off the bottoms of the Crescent dogs.
Plastic magazine holders (available at office supply stores) work really well to keep snacks in the stands.
To pipe details onto players or the field, fill a resealable plastic bag with mustard, cream cheese or sour cream and cut a small section off one of the corners.
Use toothpicks to hold the sandwiches together. The ones with colored frills at the top will warn your guests they're there.
Use a disposable foil tray to hold the dips for the field.
Want to keep your field looking green? Mix a little lime or lemon juice into the guacamole before putting it in the tray.
When putting together the snackadium, add the dry snacks first, then the cooked foods and finish up by putting the dips on the field.