The first part to a two part story.

Part one is a Thursday Prompt tale for Sept. 8, 2016

Posted as a PDF file, part one of the prompt briefly mentions a picture posted on Weasyl::

https://www.weasyl.com/submission/1318050/dragon-rider-mag

Normally, I don't do followups to fan stories set in other Author's universes. Blame vixyyfox for poking me hard enough to write this followup:

The further misadventures of Carl Banks in a Charles Stross Laundry storyline regarding strange things, oddball Civil Service Departments, dogs, a particular canine mythological creature and bumps in the night.