NOTICE: Unfortunately, maintaining these recs pages has gotten to be too much work, given the amount of fic that I read. So from now on, I'll be keeping track of good fics via my AO3 bookmarks and the delicious account Grey Bard started for me.

Fandom: Firefly.
Author: hossgal
Summary: "An explaination, of sorts, for Jayne. A response to the 'Evil Elf' challenge."

Andromeda's Firefly Fic
Fandom: Firefly
Very good Simon/Jayne fic.

Touch of Silk
Fandom: Firefly.
Author: elynross
One-sided Simon/Jayne. Beautiful.