Most of us have put UT2004 down and maybe play it every once and a while. I like to install it around Christmas time and get my X-Mas maps loaded for some good old fashioned Christmas cheer. The link above gives the best maps for the holiday season. It brings a bit of life back into the game for you UT2k4 fans out there. Gotta love DM-CHRISTMAS-TOWN. Here is a link to this map and a very nice song to go with it.
*2011 Update* Download ALL X-Mas Maps HERE: http://www.mediafire.com/?9g674uh5gf65jog
Magic Moments Montage: http://www.youtube.com/watch?v=09a7y4oHHLU