Residents can send in photos of various snow sculptures and have winners based on different age groups?  Maybe some local business can give gift cards to the top three finalist in each age group bracket? Great opportunity for marketing and branding your business!

Children, (3-6 yrs old)

Kids, (7-12 yrs old)

Teenagers, (13-19 yrs old)

Adults, (20 and up)

There could be town and state competitions for the most creative designs, best "green" used products, best engineered to last the longest, etc.  Each school and or grade could also have entries and the boundaries are endless!