Sorry if some of these are a bit of a stretch - I am still getting there with making crosswords up myself.
Across
- Sam dreamt about a capital city (9)
5. Hand out cards to confuse lead (4)
6. Stab wildly at night flyers (4)
8. Which idea holds a telling off (5)
9. Must I change? Sometimes I can’t help it (3)
10. O, a man rows? No. (9)
12. Aunt Sis cleverly keep things going (7)
Down
- Some grab duct or sellotape for kidnappers (9)
2. Drain spas? Baffling for some Europeans (9)
3. Mend rafts mend! Secretly they return to the drawing board (9)
4. Some emu sick? Was it pop? (5)
7. Some owners, sometimes, hear a happy cat (4)
11. Don, naughtily, say yes. (3)