These fun and unique Lighting McQueen Cupcakes are fun to make for kids parties. The free recipes and instructions come from the family.com Web site.. No one knows better than Lightning McQueen just how bumpy the road to success can be. Add a few transcontinental twists and turns, and you've got an edge-of-the-seat race to the finish. But rest assured, Lightning's quick -- just watch how fast these cupcakes disappear! You'll need: Batch of frosted cupcakes White chocolate candy bar or bar of…