Thanks to the beneficence of former Boulderite Jello Biafra — the onetime leader of the Dead Kennedys who created the Alternative Tentacles label — Slim Cessna finally got the opportunity to display his eccentric take on country to a sizable audience beyond these parts. And he’s made the most of it. Always Say Please and Thank You is frequently hilarious — check out the timeless stomp “Last Song About Satan” — but never at the expense of C&W verities.