Cryptic crossword No 1,030

Across

1. Allocate a number of bullets for freethinker (11)
2. See 15
3. Spot's drawn cycling round bend (5)
4. Certain deviant keeps on cooking pot? (9)
5. Optional Underpants Day includes worker! (9)
6. Two-time wife with Hal, maybe, and Newton! (5)
7. Sodium added to a measure for soup? (7)
8. Champion of white horses to arise (7)
9. To start international flight, stuff outfits in that case (2,2)
10. Put on church procession with no leader (7)
11. Oil producer showing a bit of oil for an audience (5)
12. Polish drinking second soup in Hanoi, it sounds like? (9)
13. Freely laze around snoring, briefly, taken in by bed's charms (9)
14. Sacred Heart welcomes song about faith (5)
15. Someone to hold forever (3)
16. Person working with Oval insider given one text showing Don's blunders? (11)

Down

1. Follower of vice in relative heel turn (8)
2. First garden taken up, in time, by oaf with no social awareness (4-4)
3. Name a green rolling expanse? (5)
4. Sounds like a case for flattery (7)
5. Starts off with casual nights on Instagram (7)
6. Drunk starts a riot after seconds are dropped in Italian restaurant (9)
7. Periodical about bottoms covers rear end of London unionist (6)
8. Slip and trip? (6)
9. Referees confused about new sideways saves again? (9)
10. Bolton's epithet for a lady?! (8)
11. Nurse ego after jostling noble (8)
12. The boring hollow endless drama about jealousy (7)
13. I lust after company lands (5,2)
14. Starts to drool openly, unable to get rid of an image (6)
15. Long-lost heydays with English knight! (6)
16. Card-carrying priest gets a walker (5)