This is one of the best seasonal wordpress theme ever made and looks beautifully designed for Christmas and New year eve. Its built by site5 and is available for free download and use, in any wordpress blog. The demo of the theme can be checked here.
Its perfectly designed with the buttons, colors and the top section, everything giving a feel of perfect wordpress theme for christmas.

Here are a few features of the theme -

• CSS-based layout,
• 2 columns of fixed width,
• widget-ready,
• XHTML 1.0 Transitional valid,
• multi-browser compatibility: tested on Firefox, Safari , IE7, IE8, Chrome,
• easy to setup, theme options page,
• JQuery Lightbox,
• AJAX-based based contact form,
• Live form e-mail validation.

The theme is released under GPL. You can use it for all your projects for free and without any restrictions. Please link to this article if you want to spread the word. You may modify the theme as you wish. The theme has no much requirements, except that you have to run WordPress 2.8.5+ and that’s it. Install the theme and you are done. The theme looks like a charm for the festive feel.

Download the theme from here.