LYNDEN — “The Happy Elf,” a jazzy Christmas-themed family show, is the holiday offering at the Claire vg Thomas Theatre Nov. 25 through Dec. 11. The Lynden Performing Arts Guild presents the Harry Connick Jr. show at 7:30 p.m. on Thursdays and Fridays and at 2 p.m. Saturdays and Sundays, with an additional 7:30 p.m….