Complete
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6 7 10 13 17 21 23 1 14 2 12 11 3 16 22 15 4 8 20 18 5 19 9
  1. 1a A walk in the park (6,4)
  2. 7a Spectre (7)
  3. 8a Eighth letter (5)
  4. 10a Banish (4)
  5. 11a Hooter's loop? (4,4)
  6. 13a Snare (6)
  7. 15a Bolster, for example (6)
  8. 17a Just like that! (2,1,5)
  9. 18a Saccharine – dirty (4)
  10. 21a Florida city (5)
  11. 22a Stringed instrument (7)
  12. 23a Boot – yokel (10)
  13. 1d Form (5)
  14. 2d Bit (4)
  15. 3d Nomads (anag.) (6)
  16. 4d Dove (8)
  17. 5d Insect's home (7)
  18. 6d 'Mean as custard' for 'keen as mustard', say (10)
  19. 9d Turpin and other robbers? (10)
  20. 12d Blower behind a plane, say (8)
  21. 14d Toil (7)
  22. 16d Fake (6)
  23. 19d Empty (5)
  24. 20d Spring (4)