Buffalo Horn Gallery 167 West Sister Park Dr., 541-549-9378 Featuring the work of Ted Lettkeman, Alix and Gary Lynn-Roberts, western oil painter. Canyon Creek Pottery 310 North Cedar St., 541-390-2449, www.canyoncreekpotteryllc.com Fine handmade pottery by Kenneth G. Merrill made in Sisters. Cha For The Finest Gallery 183 East Hood Ave. www.chaforthefinest.com, 541-549-1140 4th Friday Art…