How could anyone not like cowboys in space?! And strangely enough, this fandom is one of the few where my favourite pairing is actually het!! That being River/Jayne!!
Backseat Driver (oneshot ficlet) by aliaspiral
Not Looking (oneshot ficlet) by mik109
Servant (oneshot ficlet) by taramonk
She's Not Normal (WIP @ 5 chapters) by mik109
She's A Gift (complete @ 3 chapters) by crazywriterchic
The Hazards of Gametime (oneshot ficlet) by Mnemosyne