Cryptic across
7 Cult member gets two boys to join up (8)
8 Writing’s on the wall for a captain in retreat (4)
9 Little time to get to grips with a piano type of instrument (4)
10 Is Dee inapt for experimentation in movement of water? (4,4)
11 Move away for a while from fire on the motorway (7)
12 Torture being bounded by an alien nation (5)
15 French resort gets hot during recess (5)
17 Charles horribly loses tail piloting helicopter to the castle (7)
20 Dips they like with bread, and birds with capital sage stuffing (8)
22 Landing in France is, alternatively, extremely leisurely (4)
23 Henry’s wife to the king is average (4)
24 Awful slur removed, colour scheme is restored to piece of religious art (4,4)