Across
Mostly useless runner failing to finish in twilight (4)
I haven't cracked this one yet — but Times for the Times have:
DUD(useless) minus the last letter and SKI(runner) minus the last letter
After delaying line, worth digesting Dickens play (10)
I haven't cracked this one yet — but Times for the Times have:
move the L(line) along in VALUE(worth) and insert DEVIL(Dickens). Collins confirms this can mean a comic theatrical piece as well as the style of show.
Maybe Lynn pots mountain plant (7)
Back in flat, select instrument (7)
Proserpine, frantic with lust, beds a group containing Mars? (8,7)
Enjoy and let go, ignoring trendy question (6)
I haven't cracked this one yet — but Times for the Times have:
RELINQUISH(let go) minus IN(trendy) and QU(question). I liked this clue a lot
Fragrant vapour having appeared intermittently outside (8)
I haven't cracked this one yet — but Times for the Times have:
FUME(vapour) inside alternating letters in aPpEaReD
Football team, one welcoming new scorer (8)
I haven't cracked this one yet — but Times for the Times have:
ALBION(football team), and I(one) containing N(new) for the composer Tomaso
Strict name indicator (6)
Leave little room for airport customs inspection? That's easily decided (4-3-4,4)
Dupes four unclothed idiots (7)
Enormous belt snaps on 37.5 per cent of trousers (7)
Criminal resorted to the obvious way out? (6,4)
Hack stone (4)
Down
Factor is contributing to separation abandoned by church (7)
I haven't cracked this one yet — but Times for the Times have:
IS inside DIVORCE(separation) minus CE(church). Maths part 2!.
No ultimate sign of wear in this small travel iron? (5,4)
Long distance runner, one in old women's race (6)
Make out first of month by going around husband (8)
I haven't cracked this one yet — but Times for the Times have:
the first of the month could be DEC 1, then PER(by) surrounding H(husband)
Frugal vicar not working 24/7, possibly (6,8)
Thread through northern town missing vehicle (5)
I haven't cracked this one yet — but Times for the Times have:
CARLISLE(northern town) minus CAR(vehicle)
Doctor pleased to have passed (7)
Typical delegate (14)
Drink raised pulse on a girl (9)
Protectively coated adenoids malfunctioning (8)
Loving Muslim Filipino embraced by two kinds of American (7)
I haven't cracked this one yet — but Times for the Times have:
MORO(Muslim Filipino) inside A and US(two kinds of American)
The setter is cursed with old doctrine in Early English (3,2,2)
I haven't cracked this one yet — but Times for the Times have:
W(with), O(old) then ISM(doctrine) inside EE(Early English)
Minor example of House and The Observer initially supporting British PM once (6)
I haven't cracked this one yet — but Times for the Times have:
HUT(minor example of a house) and the first letters of The Observer underneath B for the former Prime Minister of Pakistan Benazir
Penetrate heart of USA, not getting caught (5)
I haven't cracked this one yet — but Times for the Times have:
CENTER(heart in USA) minus C(caught)
Type letters or click words in the clue