Just a little holiday cheer from the many people that contribute to the WordPress project. If you are looking for a free WordPress Theme here is a quick search of the Extend Themes repository that will give you some options:

http://wordpress.org/extend/themes/search.php?q=Christmas

Of course, the plugin authors have their own merry making to add to the season as well and you can find a listing of the Extend Plugins repository with this little search:

http://wordpress.org/extend/plugins/search.php?q=Christmas

Don’t forget to use the “Sort by” function on the search pages to arrange the results to your preference.