Tomorrow is the beginning of the Lamar County Chamber of Commerce “Shop Local” campaign. Visitors to the Festival of Pumpkins downtown will have their first opportunity to get chances to win cash prizes of $10,000 and $5,000 on Dec. 13. Shoppers will receive tickets to win when they shop at participating Lamar County stores from tomorrow through Dec. 11. Participating retailers will have flyers and signs identifying themselves at their locations.