margarks commented with an icon featuring Xander in his hard hat. Inevitably this led to Spike/Xander. What?Distribution Info & Disclaimers found here. 655 words.
( FIC: The Hard Hat Look (Spike/Xander, PG-13, 1/1) )
A bunch of other ficlets, with a variety of pairings including more S/X, some Darla/Angelus, Connor/Spike, can be found collected in this other entry.