Liz O. Baylen / Los Angeles Times
By Debra Prinzing
Kristan Cunningham soon will have a new prime-time design competition show called "Super Saver Showdown" on Oprah's OWN. But she's not ditching the DIY tool kit that made her a favorite for years on HGTV's "Design on a Dime." She invited us inside her new L.A. house, which is a lesson in how contemporary tastes can live within period architecture -- and how mix-and-match design can look more luxurious than it actually costs.