Across
A merry man, one said to be cooking food (5,4)
Stress I had to avoid mishap (6)
Rousing slogan, but be in tears after fight (6,3)
Offspring holding beer mug? Exactly (4,2)
Great to adhere mostly to soft drink (9)
Fail to deal with troubled region (6)
I’m surprised breakdown organisation covers horse (3)
20a
Ironing lessons outside school hours? (7,7)
See 19
Half a US state is a source of metals (3)
I haven't cracked this one yet — but Fifteensquared have:
[ half of ] ORE (gon) (“US state”)
Get computer going again with another kick? (6)
I haven't cracked this one yet — but Fifteensquared have:
BOOT = “kick”, so “another kick” could be a REBOOT
Exhausted oneself, but a few deliveries brought success (7,2)
Carried over island (6)
Nice black sheep perhaps one I particularly detest (4,5)
I haven't cracked this one yet — but Fifteensquared have:
In Nice in France, BÊTE NOIRE means black animal, so “black sheep perhaps”)
Shoot a ploughman (6)
Sailor’s shanty remixed with Mac (9)
Down
Part of the army once more deposing one president (6)
I haven't cracked this one yet — but Fifteensquared have:
RE (Royal Engineers, “part of the army”) + AGA (i) N (“once more”, deposing I (one))
Shrewd as Pharaoh, the leader of Egypt (6)
I haven't cracked this one yet — but Fifteensquared have:
AS + TUT (ankhamen) (“pharaoh”) + [ leader of ] E (gypt)
The first religious believer (6)
22d
Excited choirs arrive in the St Austell area (7,7)
One unfairly blamed as the first to smear cloak with butter (9)
This luxury accommodation is the tops (9)
Act of resistance no problem for army command (5,4)
Miscreant concerned with affirmation of will (9)
Safety procedure needed when digging up pavement? (4,5)
Loaf, starter that may be needed for a simple meal (3,6)
Past making an attempt (3)
One may win over a king (3)
See 5
Tree covering river bottom (6)
Not straight, lads becoming wild animals (6)
Some easier rambles in the mountains (6)
Type letters or click words in the clue