Silicone candy molds can be found at craft stores.
For Gift Presentation: place clusters in pleated paper candy cups and arrange in a box.
Valentine's Day and Mother's Day: spoon heart-shaped mounds, each made with 3 chocolate-coated blueberries onto wax paper-covered sheet pan; chill. Makes about 30 mini-heart shapes.
Christmas: arrange chocolate-coated blueberries in wreath shapes or rounds. After the shapes have set, decorate with tube frosting or colored sugar.
Hanukkah: spray dreidel- or star-shaped cookie cutters with non-stick spray; place on wax paper. Using white chocolate-coated blueberries, fill each; chill until firm. Remove from cookie cutters and decorate.