No matter how much planning you do, don't you always find yourself throwing something together at the last minute?!
Here are some last min ideas you can still pull off! Don't forget about older, but still fresh!, Frosting for the 4th here (link)
Save from fruit from the fruit tray and make this patriotic sangria! Source and recipe
Pick up a no-bake cheesecake mix, pre-made refrigerated pie crust and some fruit... throw them together as mini parfaits and cut the pie crust with a mini star cutter, bake and top! ...and no one will hold the pre-made elements against you ;o) Source and recipe
Take a white bag inside of a blue bag inside of a red bag...cut the tops in strips and you have firecracker bags! Source and tutorial
Don't forget the little touches... ribbon, bakers twine and even just a quick stamp on your napkins can add a little Frosting that will go a long way! Source