Kenneth Pederson's mask "Warrior's Dream," depicts an old warrior preparing for battle knowing he may not return. In his dream he has an unbidden vision of white horses running across a field. The Littleton, Colorado artist and photographer has been experimenting with oil-based enamel paint for more than 30 years. He has exhibited in Running Creek Gallery in Elizabeth, Canaan Gallery in Englewood, Studio One in Frisco, the Gunnison Arts Center, One of a Kind Gallery in Farmington, N.M., at Art on the Street in Castle Rock, Colo.