Heimer, are you still looking for fall games? Pop the Pumpkin Game. Fill balloons with candy and let the kids pop with straight pins or throw darts.
Fourth of July Crafts for Kids: Flour Lawn Stars. Cut out star stencil, sprinkle grass with water (to make the flour stick) and then sprinkle with flour. This idea also works for Canada's July Birthday. Just substitute the star for a Maple Leaf.