Monday links

Lots of ugly Christmas sweaters, instructions for making your own, plus ugly Christmas sweater suits!

The Twelve Beards Of Christmas - decorating ideas.

In the Christmas In Other Cultures category, here's a Klingon Christmas Carol. Also, Sweden's bizarre tradition of watching Donald Duck (Kalle Anka) cartoons on Christmas Eve and why Japan is Obsessed with Kentucky Fried Chicken on Christmas.

Before Seinfeld: The Origins of Festivus, plus my favorite Festivus song.

Some Excellent Animated Christmas Lights Displays.

How NORAD's Santa tracker works.

ICYMI, Friday's links are here and include fetching-challenged dogs, a gallery of animals trying to stay warm, some history and science of poinsettias and mistletoe, and a set of funny warming labels.