1: Show off Mark's Mazda Miata, for one (6,3)

5: We hear actor Paul is one on the way up (5)

7: A prison in motion (5)

8: Surprise running through bras to underpants (7)

10: Mobster at heart, presently I'll be carrying expensive pistol on hip (7)

12: Oak's first seen on the first of May with its leaves out (5)

13: Republican judges' seats (5)

15: Crooked Nile ran on, just not in a straight line (9)

16: Speaks about actor Alan, a youth (5,4)

17: African leader reversed stance on fabled writer (5)

18: Main nerve carries most central portion (5)

19: Keep rolling and swelling, Doc! (7)

21: More pronounced rasp (7)

22: Instrument on top of tree or shrub (5)

24: Like powerful uncle in Indian state? (5)

25: California bone head describes Bermuda Triangle region (9)

1: My gal talking to Italian at the table? (5,8)

2: Retro gents in exotic parks (5)

3: Child is to depart, finally (3)

4: Opening event in cruise: Iran art display (7-6)

5: Conclude a recitation off-key (11)

6: This behaviour causes sin! (9)

8: Runner or dramatist in play (13)

9: Vicious return to professional serve reveals the inequality. (13)

11: I deem turds a regrettable necessity (11)

14: Mother loiters and pretends to be ill (9)

20: Starts to name Olivia Newton-John 'Country Entertainer' for the time being (5)

23: Ball tops over-ripe bananas (3)