1: Adore inconstant nymph (5)
2: Headless rodent left by bird (5)
3: If forced, see idle TV broadcast (9)
4: Crook skimmed cash register? (3)
5: Looks like an eyesore, sounds like an eyesore (3)
9: Rule will end in some paper (5)
10: Better armed in illusion of sleep (4)
11: Top card? Excellent! (3)
12: Terrier shows how to stray (3)