1: Dance in Spooner's very cold prison (9)
2: Get used to being in Treasury Department with a secure job (7)
3: Is South about to evacuate? Just the opposite! (5)
4: Small boat from County Clare, possibly (7)
5: Paul wears shirt the wrong way to provide shoulder covering (7)
6: The bandleader channels energy.(9)
7: Nits are possibly more unpleasant (7)
8: Squaddies took in lecture (5)
14: Flying bugs share desert flora (9)
16: Sadly, Tim agreed and left the country (9)
18: Amplification device for 'Murder, a Novel' (7)
19: Expert made to order in the world of scholarship (7)
20: French ladies made Sam mad (7)
21: Albatross, seals cluster here! (4,3)
22: Remove a couple of statues before writing on some tombstones (5)
23: Wander around stove (5)