Cryptic Crossword

ACROSS

6 Obliged to jump (5)

7 I spoon out toxic substance (6)

9 My one opal improves on exhibits here (7)

10 Insensitive fool given little credit at first (5)

11 Letters that boy returned (4)

13 Old boys crushed in maul (6)

15 I had wild love for part of America (5)

16 Units of the Royal Marines? (6)

17 Case starts to expand taking underwear inside (4)

20 Move slowly and don’t start to scribble (5)

22 Most daring combination of underwear (7)

23 Body parts are on the cards (6)

24 Foreign letter from some garrison (5)

DOWN

1 Queasy, I’d turned by the wharf (8)

2 Make fit girl exercise (5)

3 Use an aerosol to sterilise, that’s about right (5)

4 Instrument to audibly preserve orchestra leader (7)

5 Got a new garment from Rome (4)

6 Under shrub, jam witch’s transport (10)

8 Plant a sad spirit designed (10)

12 Every other card is for commercials (3)

13 I see inside panama hat (3)

14 Military leader spoke – spoke under his breath (8)

15 Little devil learning to beg (7)

18 Fool crossing by very deep chasm (5)

19 Fowl with a hat on (5)

21 Leaves not soft for long time (4)