Take Your Bloody Pick by Mabel MarstersSpike is newly chipped and trying to fight his attraction to the Slayer. When all he wants to do is mope in his crypt, the last thing he needs is a visit from his glamorous old friend Thomas Raith. Soon their friendship is tested as they both vie for Buffy's affections. This is Spuffy but you may have to be patient. Crossover with Dresden Files books.
http://dark-solace.org/elysian/viewstory.php?sid=3011 
