Across
Almost perfect clothes for leisure activity (7)
Still retaining ultimate method of payment (7)
Old president finally gets changed, going to basin (5)
I haven't cracked this one yet — but Fifteensquared have:
Joe BIDE-[n] the former US president, with the final letter changing
Perhaps tactful remarks describing snow that has settled (5,4)
Bless attack (3,5,2)
Paul Nash guarding part of his arm (4)
Jargon from mouth was spouting: I approve (12)
Concerned with flying a Lear, caution must be exercised (12)
I haven't cracked this one yet — but Fifteensquared have:
anagram (exercised) of: (a Lear caution)*
Text for printer is not original (4)
Daring last desperate stand here for Soviets (10)
I haven't cracked this one yet — but Fifteensquared have:
definition refers to the battle of Stalingrad in World War II – the definition is possibly the whole clue, or possibly "stand here for Soviets" i.e. a place where Soviets made a stand anagram/"desperate" of (Daring last)*
Such a sleepy town? (9)
I haven't cracked this one yet — but Fifteensquared have:
not sure whether to call this a cryptic definition as a whole, or whether to separate it into parts: a dormitory is a name for a town where people live, but will typically go to work or to leisure elsewhere i.e. the town is "sleepy" in the sense that not much activity goes on there …and "sleepy" also hints towards the meanings of dormitory as a place to sleep
Sports car of energy and character (1-4)
I haven't cracked this one yet — but Fifteensquared have:
definition refers to the Jaguar E-Type sports car [wiki] E (energy) + TYPE=nature, characteristics="character"
Why gent fancied Welsh girl (7)
I haven't cracked this one yet — but Fifteensquared have:
anagram/fanciful version of/"fancied" of (Why gent)*
Substitute that offers protection for game (7)
Down
One on the beach said not to be alone (6)
I haven't cracked this one yet — but Fifteensquared have:
reference to idiomatic sayings like 'you're not the only pebble on the beach' to suggest that someone is not the only person of a type
Faulty effect of snapping night flight (3,3)
Diagnostic aid extremely reliable (10)
Dragged – why to the church? (5)
Prudish Olive re-read author, a Holocaust survivor (5,4)
I haven't cracked this one yet — but Fifteensquared have:
definition: the author Primo Levi [wiki] PRIM="Prudish" + anagram/"re-read" of (Olive)*
The last word in service (4)
Adding together twelve 0s and a 1 makes a huge number (8)
I haven't cracked this one yet — but Fifteensquared have:
a 1 with twelve 0s added, written as 1,000,000,000,000=a trillion
Big bags carrying lettuce for tsar’s cavalry (8)
Jogs round area and sells leftovers (10)
I haven't cracked this one yet — but Fifteensquared have:
definition: to remainder can mean to sell excess inventory of e.g. books to remind is to jog the memory, so REMINDERS="Jogs", around A (area)
Method of communication depressed canine (9)
One clamped on wrist perhaps to keep close behind guard (8)
Distinctive feature of a piece of land one has (8)
Petition Lord’s, for example (6)
I haven't cracked this one yet — but Fifteensquared have:
for example, the Lord's Prayer in Christianity
Stick notice in this place (6)
Sportsman removing top in bed (5)
I haven't cracked this one yet — but Fifteensquared have:
[p]-LAYER="Sportsman", removing the top letter
Dossier of wasted life (4)
Type letters or click words in the clue