Well, not quite done but done as far as my job is concerned:
One can do some photography, though a clip-on backscene would help. The loco in the shed:
The little yard office:
Everything is cleaned and tested, the cover has hardened nicely, and ready for pickup. The new owner gets to add the obligatory details, figures, and trees to make it his own, so creative enjoyment to be had beyond running locos and switching cars about.