Across
Member meets elderly fellow in final showdown (10)
Fervent low wail (4)
Scorer taken aback by rapid review (5)
Russian plotters essentially bungled - they get exposed (9)
Frenchman with brogue's half Welsh (7)
Language using play on words: setter's on strike (7)
Behind vehicle I caught 11 stripped off for illustrator (12)
I haven't cracked this one yet — but Fifteensquared have:
CAR + I + C (behind car I caught) + [n] ATURIST [s] (solution to 11ac minus its outer letters)
Putin's puppets perhaps being full of themselves (12)
Frightfully posh eat here (7)
Time locks guarding home into which one could disappear? (7)
I haven't cracked this one yet — but Fifteensquared have:
T (time) + HAIR (locks) around (guarding) IN (at home)
Rogue landscapers stripping borders of plants: their days are numbered! (9)
Story going round about parent could be spam? (5)
I haven't cracked this one yet — but Fifteensquared have:
Reversal (going round) of LIE (story) around MA
Rich Liberal leading force wanting power (4)
Result of getting rash possibly from confounded pests - fleas! (10)
Down
This might determine how things are done - here or there? (6)
I haven't cracked this one yet — but Fifteensquared have:
‘Here’ and ‘there’ can both function as adverbs of place, so are definitions by example, hence the question mark
Making grubby writer's group read aloud (6)
Conducting supplication bareheaded? (14)
So-called smart creature - it tells the time to kids in the garden! (9)
I haven't cracked this one yet — but Fifteensquared have:
Soundalike (so-called) of ‘dandy lion’ (smart creature)
Handy over prising out Australia's tail and leading (5)
I haven't cracked this one yet — but Fifteensquared have:
ON T [a] P (handy) with the A replaced by an O (Over prising out AustraliA’s tail)
Sent English Commander-in-Chief to engage immediately (8)
I haven't cracked this one yet — but Fifteensquared have:
Envelope of E C – I – C around (to engage) STAT (immediately, in medical contexts)
Less than perfect devious sons aren't commonly taken in (8)
I haven't cracked this one yet — but Fifteensquared have:
Insertion (taken in) of AIN’T (aren’t commonly) inside an anagram (devious) of SONS
Terribly ill in quarters squaddie initially gets drugs (14)
I haven't cracked this one yet — but Fifteensquared have:
Anagram (terribly) of ILL IN QUARTERS S [quaddie]
Writes off what's surrounding opening in wood (9)
Expert heading to officer convention (8)
When sailors adopting uniform indicates hostilities (8)
I haven't cracked this one yet — but Fifteensquared have:
AS (when) + SALTS (sailors) around (adopting) U
Show collection of jumbos? (6)
Rehearses riddles (6)
Old man stifles fire discovered in shopping centre (5)
Type letters or click words in the clue