5: A souvenir some sightseer elicited (5)
8: Most successful divers can be quite obnoxious (7)
9: Model wife, after divorce, gets more than enough (7)
10: I deem turds a regrettable necessity (11)
12: Worthless even when recycled (3)
14: 'Drip' splits prize with British Council (5)
15: Dry out. Heated? Dry out (9)
17: Graces or christens covering over New Testament (9)
19: Like powerful uncle in Indian state? (5)
20: Mann's 'Death in Venice' Dorothy sent up (3)
21: Okay shot ripped tears in butt (6-5)
23: Reunite scattered entourage (7)
25: Titanic, once alerted, hugs harbor (7)
26: Swamp creature resting tail on a rocky outcrop (5)
27: Decorative plant spray to put in shelter (9)