At the hardware store for lights or Christmas decor? Linger in the paint section and pick up colorful paint sample cards. Put the green and brown cards to use with this Paint Sample Christmas Tree craft!
thumb prints made into Christmas lights. Easy craft to do with the kids. To enhance this, I might extend the strand each year, so by the time they are older, you have a long string of thumb print lights.
vintage paper trees made from a half circle. would be so cute on canvas art, as garland or on packages or cards. Picture only but would be easy, just fold half circle back and forth on itself. Add ribbon or more paper for trunk.