*batteries included by vikingprincess and virtualpersonal - R, Spike/Buffy
The Christmas Tree Fairy by shapinglight - R, Fairy!Vampire!Spike/Fairy!Vampire!Angelu
Doubled and Redoubled by virtualpersonal and vikingprincess - Bond/BtVS Fusion - R, Spike/Buffy
Drive-By Christmas Fics by rahirah - Four unrated Spike/Buffy fics on AO3.
A Few From the Vaults by rebcake - Up to and including R, Spike/Drusilla, Spike/Harmony.
Five Things Spike Wants for Christmas by okdeanna. NC-17, Spuffy.
The Gift and The Reunion, by okdeanna. PG and NC-17, respectively; Spuffy.
In Joyful Chorus Raise We by verucasalt123. PG-13, Spike/Lindsey.
The Key to Christmas by vikingprincess and virtualpersonal - R, Spike/Buffy, Dawn, Wesley, Xander
Merry Christmas Childe by devylish - PG-13, Spike/Cordelia drabble series.
The Night Before Christmas by shapinglight - PG, Spike/Dawn
No Mistletoe Required by virtualpersonal and vikingprincess - R, Spike/Buffy
The Revenge of Santa Claus by shapinglight - PG, Spike/Buffy, Illyria
Snowbound by vikingprincess - R, Spike/Dawn
A Special Kind of Man and Effulgence by okdeanna. Two PG Spuffy drabbles.
Spike vs. Santa Claus: The Rematch by shapinglight - PG, Spike/AtS Ensemble
Spike's Christmas Miracle by kindredspirit75 - NC-17, Spike/Angel.
The Sweetest Sin by okdeanna. NC-17, Spuffy.
The Thin Tartan Line by twilightofmagic. Unrated. Spike, Giles.
The Truce by shapinglight - NC-17, Spike/Angel.
The Vamp Around the Corner, 2/3"> and 3 of 3 by rebcake - PG-13, Spike, Buffy, Dawn, Joyce.
Untitled Christmas Schmoop by verucasalt123. PG, Spike/Angel.
sueworld2003" Happy Holidays (Spuffy, worksafe, large)
Silent Night (Spike, worksafe)
Star (Spike, worksafe)
Punk Angel and Mistletoe (Spike, mostly worksafe)
Love and War (Spike/Giles, not really worksafe)
teragramm: Snow Angel (Spike, worksafe)
Happy New Year (Spike, worksafe)
May your 2013 be blessed with happiness, health, and success!