Across
Eternal punishment of mother country (9)
Glue crown around sovereign's head (5)
I haven't cracked this one yet — but Fifteensquared have:
PATE (crown) round S[overeign]
Unruly amateurs menaced gaming venue (9,6)
Letter isn't vowel? (4)
I haven't cracked this one yet — but Fifteensquared have:
NOT E (vowel)
Attractive person embracing firm master (8)
I haven't cracked this one yet — but Fifteensquared have:
BEING (person) round CO (firm) M (master)
Engineer melds true instrument (5,4)
Article about professional protective wear (5)
Small motorbike moved aimlessly (5)
Starry eyed about dropping right song (9)
I haven't cracked this one yet — but Fifteensquared have:
An anagram (about) of STAR[r]Y EYED minus one r (right) – cue earworm
Twist on top of pie (8)
Egg on valiant ultra marathoners at the start (4)
Roughly appraised import as stolen (15)
Fly across lake powered by the sun (5)
Where plants grow is quiet and springy (9)
Down
Closed part of hospital promoted by head of neurology (5)
I haven't cracked this one yet — but Fifteensquared have:
A reversal (promoted, in a down clue) of WARD (part of hospital) + N[eurology] – drawn as curtains may be, I think
Short time with loose Canadian cop (7)
Encourage sailor on film (4)
Chilled journalist following immoral capitalist leaders (4)
I haven't cracked this one yet — but Fifteensquared have:
I[mmoral] C[apitalist] + ED (journalist)
Lowest trap catching vacuum flask (10)
Punches salesperson upset by Foreign Office charges (10)
Mark crosses river that is more terrifying (7)
I haven't cracked this one yet — but Fifteensquared have:
SCAR (mark) round R (river) IE (that is)
Appear caught in New York crisis (9)
Axe cut by strange old peasant (10)
German rye breads baked for old men (10)
Thing returned by Carpathian in cry for help now and then (9)
I haven't cracked this one yet — but Fifteensquared have:
A reversal (returned) of ITEM (thing) + ME (Carpathian) in SOS (cry for help)
Friend covers artist thus in shade (7)
I haven't cracked this one yet — but Fifteensquared have:
PAL (friend) round RA (artist) SO (thus)
Fan voted out by heads of electronic engineering (7)
I haven't cracked this one yet — but Fifteensquared have:
An anagram (out) of VOTED + E[lectronic] E[ngineering]
Dirty setter's embracing posh Doctor of Divinity (5)
I haven't cracked this one yet — but Fifteensquared have:
MY (setter’s) round U (posh) DD (Doctor of Divinity)
Knocks over box (4)
Part of body overcome by chemical imbalance (4)
Type letters or click words in the clue