Most people want healthier finger food ideas, and really there are several fruits and veggies you can use to meet that request. You can pick up things like grapes and apples, and that will allow you to get away from needing to cook a lot prior to the picnic. If you want some chips and you are going healthy, picking up a bag of baked chips is a good idea. For meats, you can go with chicken since it can easily be eaten with your hands.