James Flight Alley, 81, former West Tisbury postmaster and selectman, conservationist and life-long Democrat, real estate broker, horse dealer, farmer, new- and used-car salesman, and owner, with his brother, John, and his late sister, Phyllis Alley Smith, of Alley’s General Store from 1961 to 1981, died in West Tisbury on Wednesday after a long bout with cancer.