Quick crossword

Across 1. Where Elvis meets mud pools (9) 7. At no time (5) 8. Simpleton (5) 9. Sleazy (6) 10. Muddle (4) 12. Ninth letter of Greek alphabet (4) 14. Attractive (6) 17. Tint (5) 18. Pretend (5) 19. Mysterious dusky quadruped (4,5) Down 1. Wanderer (5) 2. Cloudy, unclear (6) 3. Blood vessel (4) 4. Lead (5) 5. Pleasurable (10) 6. Without help (10) 11. Strongbox (6) 13. Male singer (5) 15. Chosen few (5) 16. Interlock (4)