This is a really sweet image of sunflowers, and with the colours and farm connotations, it could be a really interesting theme for the truck. Although, this image seems a bit old fashioned for the modern theme of trucks.
Egg Snowmen---- hard-boiled eggs, a carrot and some peppercorns. These snowmen are a very nice addition to your holiday appetizer platter. Oh and this will make eating eggs more fun for your kids as well ;