HALDIMAND—Last week saw tens of thousands of Canadians at Tim Hortons restaurants around the country adding a smile or two to their daily coffee order, all in support of the annual grassroots fundraising campaign known as Smile Cookie Week. DunnvilleCayugaHagersvilleJarvisCaledonia – Argyle St. NCaledonia – Argyle St. S —Above photos by Mike Renzella, except Dunnville, submitted by Rachel Schmalz. The event…