1: Freshen the atmosphere (3)
3: Bird dog devouring bad lad (4,5)
4: Belated top-and-tailing to gladden one's heart (5)
5: Adore inconstant nymph (5)
8: Penniless meal is fantastic (5)
9: Perfect conviction ends trial (5)
12: Solo, the pilot rises? No way (3)
13: One final, huge Greek goddess (3)