Kirsty Neale has some cute free printables that can be used for Christmas cards in a post here. She made these for an article in PaperCraft Inspirations magazine.
Gorgeous tags available from Cathy Bluteau.
Here is a quick and easy-looking card idea by Helena Söderberg. (I'm talking about the one with gift-wrapped presents.)
Here's a beautiful advent house/calendar by Torie Jayne.
Wow, love everything by czekoczyna, from Poland!