The cover image for Welcome to Thestralia a commissioned story in progress on fimfiction.net
The time period is pre-S1E1, and while there are some easter-eggs in here for readers, there is nothing spoilery (at least, for anyone who has watched the show).
Blurb
Welcome one and all to Cowwarr, a sleepy little town in south-eastern Australia. Strange things have started happening, but it's all okay, the new school teacher just arrived and soon the new doctor will be getting here. Just don't mind how folks look around here, something odd happened. Something magical.