I have been making progress lately on a new algorithm which will allow me to create synthetic brushtrokes with variable curvature. It is a bit early yet for me to show an example, but I think it will look quite convincing.
The idea is to create a new effect like Painting 7 (brushstrokes), but with different stroke placement and thicker paint. Not quite impasto, but hopefully pleasant enough...
In the meantime, I wish you all a Merry Christmas and Happy holidays! Here is a watercolor from a photo I took a few months back in my hometown of Lyon(s), in the Croix-Rousse area: