Three posts so far in 2016--only 97 to go! --so far so good.
I made several banners for sale at Christmastime. While the three I'm showing here were meant for the Christmas holidays, they definitely would work well for winter or Valentine's Day.
(Please ignore the Christmas decorations around the banners.)
This one has sparkly snowflakes. Here's a closer look:
This one is all winter mittens:
And a closer look at it:
This was a Cricut image I cut and simply punched a hole in the corner so it would hang from some baker's twine.
This last banner is made from felt. I think it would be cute for a Valentine's Day display: