By AMY PANOS Looking for an inexpensive way to celebrate Valentine’s Day? Here are some ideas from Better Homes and Gardens magazine’s February 2009 issue:Ideas from the heartLetter perfect: Put down that messy piping bag! Here’s an easier way: Glaze alphabet crackers with thin icing, then sprinkle with colored sugar. Perch atop frosted cupcakes.Trader Joe’s Cinnamon Schoolbook Cookies, $3 per 16-ounce tub; traderjoes.com for storesNow showing: Make a Valentine’s Day movie date with your sweetie.