There is something wonderfully weird about the mosaic compositions of Oklahoma City artist Brooks Tower , even when his subjects are as naturalistic as a "Serpent” with a funky, toothpicklike tongue or fangs, and a "Pelican,” looking straight at us, down its long bill.

A show of Tower's "contemporary mosaics” and an exhibit of Thomas Batista 's acrylic paintings both open from 6 to 10 p.m. today at JRB Art at...