Since it's Monday, I'll start off with something short (but lovely).
Story: Sparking Plugs
Rating: All Ages
Word Count: 590
Author's Summary: The Doctor's a dab hand at fixing Bessie but he's barely scratched the surface with Jo.
Characters/Pairings: Three, Jo
Yes, it's quite short, but it packs a lot into every word. The author's lovely, deft imagery sets the scene as Jo struggles with a painful memory while the Doctor tinkers.