Toned down. Understated. Quiet. These aren't qualities commonly associated with glamour. But they are key words that come up again and again when Jan Showers&nbsp;describes the glamorous look that has become her signature. The Dallas-based interior designer has a deep appreciation for the fact that shimmer and sheen work their magic best when set against neutral territory. BY DEGEN PENER. COURTESY OF VERANDA.COM. READ MORE.