Again, it depends on the photo.
MyPaint brushes are often overlooked because they are considered "too artistic" but they can be used. This the blur brush and it can give a softer effect than the Gimp smudge tool. The MyPaint water brush sometimes worth a try. Before / After
MyPaint brushes are often overlooked because they are considered "too artistic" but they can be used. This the blur brush and it can give a softer effect than the Gimp smudge tool. The MyPaint water brush sometimes worth a try. Before / After