[Shipping] I didn't realize these were all actually linked. So here they are, in order, via google documents.
1. Applejack and Big Mac
2. Adult Spike and Twilight
3. Pinkie Pie and Dash
4. Fluttershy and Snails:
5. Rarity and Random OC
6. Pinkie and Dash's Anniversary
Enjoy, and as always all credit goes to Anti Pony for his awesome Writefriending.