Every year, Google adds decorations to their search results for the holidays. They did it a couple weeks ago for Hanukkah and they do it every year for Christmas, Kwanzaa and heck, even Festivus.

This is the first year, Google has gone animated with one of the holiday decorations. If you search for [christmas] related terms you may see it:

The Kwanzaa decorations are in line with the top header we saw for Chanukah and of course Christmas.

Here is the Chanukah one from a couple weeks ago:

Forum discussion at Google+.