Across
Spot feature of Guinness? (9)
I haven't cracked this one yet — but Fifteensquared have:
definition: WHITEHEAD as in a spot caused by acne Guinness beer has a white head of foam
Speciality of mini league football – grandstand finishes (5)
Supporter at home greeting stroke of genius (9)
Flock of birds initially encountered in hide (5)
I haven't cracked this one yet — but Fifteensquared have:
initial of E-[ncountered] in SKIN=”hide”
Red Adair essentially leaving comfort food (6)
I haven't cracked this one yet — but Fifteensquared have:
CHE (Che Guevara)=”Red” as in a socialist/communist + the middle (essential part) of [Ad]- a -[ir] removed from E a SE=”comfort”
Homeless individual got confused with tip from Scotland Yard (5,3)
I haven't cracked this one yet — but Fifteensquared have:
anagram/”confused” of (got S Yard)*, taking only the tip of S-[cotland]
Nervous minute ringing wife (7)
Farm animals chasing European gnome (7)
I haven't cracked this one yet — but Fifteensquared have:
definition: a “gnome” can be a pithy saying, an EPIGRAM PIG and RAM=”Farm animals” after E (European)
Digital safeguards badly hit non-digital phones? (8)
I haven't cracked this one yet — but Fifteensquared have:
for definition, ‘digits’ as in fingers anagram/”badly” of (hit)*, plus M- O -BILES=”phones” non-digital i.e. minus O =0=’the digit zero’ edit thanks to Niltac in the comments: also minus the I=1=’the digit one’
20d
Post covering education in parliament (6)
See 5 Down
Old style piece by Frank perhaps (5,4)
Socks worn by United and Villa? (5)
I haven't cracked this one yet — but Fifteensquared have:
HOSE=”Socks” around U (United)
eBay upset about stain by journalist’s description of 27? (5-4)
I haven't cracked this one yet — but Fifteensquared have:
definition: mice in general have beady eyes, and ‘beady-eyed mouse’ is the name of a species anagram/”upset” of (eBay)*, around DYE=”stain”, plus ED (editor, journalist)
Down
Building where PM’s exorcised evil (6)
I haven't cracked this one yet — but Fifteensquared have:
[Winston] CHURCH- ill =former UK Prime Minister (PM), minus ill =”evil”
End of asparagus spear is commanding attention (8)
Australian (15) in Star Wars pilot (6)
Gather imaginary friend’s almost on the way (7)
27a
Sick meme you circulated is inconsequential (6,5)
England dropping ball and lacking colour (6)
I haven't cracked this one yet — but Fifteensquared have:
ALBI-O-N=”England”, with the O=circle shape=”ball” dropping to a lower/later position
Mouth organ scales (4)
Beetle announced entrance (3)
I haven't cracked this one yet — but Fifteensquared have:
definition: a type of dung beetle sounds like (announced): ‘door’=”entrance”
Stick from tree (3)
Setter in Times makes boob (3)
I haven't cracked this one yet — but Fifteensquared have:
I=[the] “Setter” of this crossword; inside T (time) twice i.e. “Times” plural
Case lost by legal company once (3)
I haven't cracked this one yet — but Fifteensquared have:
definition: ICI or Imperial Chemical Industries was a British chemical company [L]-ICI-[t]=”legal” without its outer letters or “Case”
… is the last one of these on course for fix (4)
I haven't cracked this one yet — but Fifteensquared have:
definition: a HOLE as in a tough situation, a “fix” for wordplay, include the clue number: “18… is the last [HOLE / one of these] on [a golf] course”
See 25
Medusa’s unfortunately taken for granted (7)
I haven't cracked this one yet — but Fifteensquared have:
anagram/”unfortunately” of (Medusa’s)*
Rings foot of rare bird (6)
I haven't cracked this one yet — but Fifteensquared have:
two “Rings”: HOOP and O; plus the last letter/foot of [rar]-E
Ill-treatment of uniform admitted by Girl Guide at last (6)
I haven't cracked this one yet — but Fifteensquared have:
U (uniform, NATO alphabet), inside MISS=”Girl”; plus last of [Guid]-E
Zoe Saldana on vacation with spy legend ordered quick Mexican (6,8)
Risk of flooding ultimately in European river (6)
I haven't cracked this one yet — but Fifteensquared have:
ultimate letter of [floodin]-G in DANE=”European” + R (river)
Type letters or click words in the clue