If you’re crazy about Christmas, you should definitely check out My Merry Christmas Forums.  They’ve got sub-forums and threads on everything you can imagine: Christmas in the News, Traditions and Memories, Food & Decorations, Christmas Media, and a lot more. 

A great post I’ve been meaning to link to here was started by Annette, called Unique Christmas Tree Themes.  She’s posted info on how to make your tree into a Gingerbread Tree, a New Baby Tree, and plenty of others.