1: Adore inconstant nymph (5)
2: Legend that things are underway. (5)
3: Smuggler participating in arms race? (9)
4: Siamese toolmakers reportedly in colorful clothing (3-4)
5: 'Naked Gun' actor prepares to be dubbed in (in soundtrack) (7)
6: Reed heard veggies may come in them (5)
7: Crook skimmed cash register? (3)
8: They're hard to reconcile, Turkey Day displays featuring beef (9)
12: Audibly push lever (5)
13: Capital - a Schubert composition (9)
14: Quasimodos intuition? (5)
15: Head of Immigration leads rare uprising in tiny travel plan (9)
17: Between Virginia and Los Angeles nothing has flavour (7)
18: Give back wares to retailer's layaway? (7)
19: Alcohol and tobacco - they can get a grip on you, we hear (5)
20: Skier's heart rivals climbers (5)
21: Studio sign initially obscured by swirling rain (2,3)
23: Polygraph unexpectedly traps vandal (3)