I managed to stop smearing mud on the walls of my house, to start smearing mud on the walls of my bath house. I just worked on the exterior this weekend.

Here's the second floor and roof "plastered":
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With some antique white paint:
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And now the magical mud wash:
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Here's a progression shot of one of the broken plaster areas, first with straight antique white over putty, then with Devlan Mud, then after blotting with a paper towel.
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I got started on the roof shingles as well, just not enough of them on there to show yet. The next update should have a more or less finished roof and more thoroughly weathered exterior.
Thanks for looking, happy to answer any questions and appreciate any comments/critiques.
Rob