I've incorporated collage elements around the edges of the painting, in a kind of frame. They have a kind of tinted-photograph feeling, one that seems appropriate to me for the occasion. It's one of the collage painting techniques I'll be teaching in this Saturday's Painting Collages workshop at the Calistoga Art Center.
You can find out more about the Painting Collages workshop here:
Here's one of the collaged images, a detail from the painting: