Mural festivals provide their selected artists with some cash, a wall and a stipend for supplies. (Photo by Alek Seballes, provided by Colfax Canvas) " data-large-file="https://i0.wp.com/newspack-coloradosun.s3.amazonaws.com/wp-content/uploads/2024/09/Colfax-Canvas-supplies-credit_-Alek-Seballes-scaled.jpg?fit=780%2C439&ssl=1" /> Plus: the Telluride Film…