Prompt: A very painterly canvas studio backdrop light in the center and dark around the edges like the eye of a whirlpool with swirling sponge splotches with beautiful hues of sage, brown, forest green and cream with VERY strong vignette round the edges, All blended together, Only the backdrop, no subject or objects,  oil paint on canvas, no frame, no border, edge-to-edge,
Negative prompt: holes, artifacts, tears, rips, reflections, horizon, frames, objects, subjects, hands, arms, brushes, people, heads, angles, men, women, children,