Across
Spirit derived from husks of grain extremely dodgy (6)
I haven't cracked this one yet — but Fifteensquared have:
Spirit derived from husks of grain extremely dodgy BRAN (=husks of grain) + D <odg> Y (“extremely” means first and last letters only)
Miles dumped by especially wealthy bird (7)
Paul's second letter to the Corinthians dispatched including message without content for fun (9)
I haven't cracked this one yet — but Fifteensquared have:
Paul’s second letter to the Corinthians dispatched, including message without content for fun <p> A <ul> (“second” means second letter only) + MU (=letter to the Corinthians, i.e. of the Greek alphabet) + [ M <essag> E (“without content” means all middle letters are dropped) in SENT (=dispatched)]
Party with a drug cheat (5)
Many deliveries of blankets banishing cold (5)
I haven't cracked this one yet — but Fifteensquared have:
Many deliveries of blankets banishing cold <c> OVERS (=blankets; “banishing cold (=C, on tap)” means letter “c” is dropped); overs are sets of 6 deliveries in cricket
At home in inn that is purple (9)
Rig part of a pilot's training (7)
Mostly dismiss seaside town (6)
Underground explorers notice flies from dead bodies (6)
I haven't cracked this one yet — but Fifteensquared have:
Underground explorers notice flies from dead bodies C <ad> AVERS (=dead bodies; “ notice (=ad(bvert) flies from” means letters “ad” are dropped
Pressure behind part of horse's foot (7)
I haven't cracked this one yet — but Fifteensquared have:
Pressure behind part of horse’s foot P (=pressure, in physics) + ASTERN (=behind); the pastern is the part of a horse’s foot from the fetlock to the hoof
Show too much faith in something that might hinder sale of car? (9)
I haven't cracked this one yet — but Fifteensquared have:
Show too much faith in something that might hinder sale of car? Cryptic definition: overt rust on a car might hinder its sale!
Good girl one able to hold her drink (5)
I haven't cracked this one yet — but Fifteensquared have:
Good girl, one able to hold her drink G (=good) + LASS (=girl)
Under no circumstances move rook to more advanced position to display courage (5)
I haven't cracked this one yet — but Fifteensquared have:
Under no circumstances move rook to more advanced position to display courage NEVE R (=under no circumstances); “move rook (=R, in chess) to more advanced position” means letter “r” moves towards the front of the word
Boycott all over the place in Indian city (9)
Poster about Lima is inadequate (7)
American actor to attend therapy on vacation (6)
Down
Confirm fight is receiving attention (7)
America stops its former president getting insults (5)
Those responsible for Liz Truss's failure (according to Liz Truss) hurtle around museum (9)
Old Conservative to be tearful essentially for a month (7)
I haven't cracked this one yet — but Fifteensquared have:
Old Conservative to be tearful, essentially, for a month O (=old, as in OT) + C (=Conservative) + TO BE + <tea> R <ful> (“essentially” means middle letter only is used)
Beating up inspiring director in old house (5)
I haven't cracked this one yet — but Fifteensquared have:
Beating up inspiring director in old house D (=director) in TUOR (ROUT=beating, drubbing; “up” indicates vertical reversal); the reference is to the House of Tudor, i.e. English royalty
Secretly rip native off (9)
WAGs drinking in large home of iconic basketball players (6)
I haven't cracked this one yet — but Fifteensquared have:
WAGs drinking in large home of iconic basketball players L (=large, in sizes) in HAREM (=WAGs, i.e. wives and girlfriends); the Harlem Globetrotters are an acclaimed US basketball team
Prevent queen entering Irish parliament (6)
I haven't cracked this one yet — but Fifteensquared have:
Prevent queen entering Irish parliament ER (=queen, i.e. Elizabeth Regina) in DÁIL (=Irish parliament); to derail a project or plan is to prevent, stop it
It grows in Earth perhaps on Earth? (9)
Gent's aide is working class (9)
Rest of Scottish Labour primarily supported by Brown (7)
I haven't cracked this one yet — but Fifteensquared have:
Rest of Scottish Labour primarily supported by Brown S <cottish> L <umber> (“primarily” means first letters only) + UMBER (=brown, i.e. colour)
Clear head? Not when exhausted (6)
I haven't cracked this one yet — but Fifteensquared have:
Clear head? Not when exhausted PATE (=head) + N <o> T (“when exhausted” means empty, hence middle letter is dropped)
No alcoholic drink (except drop of rum) in food outlet (7)
I haven't cracked this one yet — but Fifteensquared have:
No alcoholic drink (except drop of rum) in food outlet NO + SHER <r> Y (=alcoholic drink: “except drop (=first letter) of rum ” means one letter “r” is dropped)
Endows money for project around Oregon's capital (6)
I haven't cracked this one yet — but Fifteensquared have:
Endows money for project around Oregon’s capital O <regon> (“capital” means first letter only) in FUNDS (=money for project); endow is one of the meanings of “found” listed in Chambers
Mind over matter finally in vogue (5)
I haven't cracked this one yet — but Fifteensquared have:
Mind over matter finally in vogue <matte> R (“finally” means last letter only) in TEND (=mind, care for)
Appropriate trousers put on which is appropriate (5)
Type letters or click words in the clue