Adult Fanfic Links
The Unconventional Shippers List: An archive of adult Buffy fic of somewhat unconventional couples in the Buffyverse
Dead Boy and Xander (Angel/Xander): For all those Angel/Xander fans out there
Eyeball to Entrails: A Spike/Willow site
Giles -n- Joyce: Pretty much self explanatory
Spike and Cordy: I think you can figure it out
A Total Eclipse of the Heart: Another Willow/Spike site
She's a Wonderful Toy: Cordelia and Oz pairings
Beauty and the Beast: Yet another Spike/Willow site
And They Said it Wouldn't Last: Is everyone else seeing something between Spike and Willow that I'm not?
A Watcher's Love: The unlikely, but interesting pairing of Giles and Buffy
This Forgotten Love Series: A Willow/Cordelia site
BG 'Shippers: Another Buffy/Giles site
Sweaty Palms: An archive of Willow/Giles stories
Future Bliss: A Buffy/Xander archive
Spike's Spike: I think you get the idea. Great title by the way :)
Buffy the Vampire Slayer Adult Fan Fiction: A few good stories
MALLORY'S BUFFY AROUSING STORIES: Lots of different pairings
Fallen Angels: Lots of slash fic
Naughty Slayer: Large index of Buffy/Angel stories