Here's a more closeup view of the finish, along with the steps that I have to decide how to finish.
And here's my next dilemma - how to deal with the gable peak. It turns out that I finished the exterior of the gable peak - notice top photo. But the instructions call to add another triangle, and dentil trim. This then forces the top gable peak to protrude farther than the rest of the front. I'm not entirely sure I want to do this.
Here's a picture of the Duncan product I used on the foundation: