Across
Misplaced aggression having lost ship from US state (8)
Place with malaria and other infestation (6)
Munitions regulation one dropped (8)
Plants adult donated to society (6)
Sue tours around about America finding stuff for wedding (9)
Spike in two minds about Henry (5)
I haven't cracked this one yet — but Fifteensquared have:
TORN (in two minds = struggling to decide between two options) around H (abbreviation for henry = unit of electrical inductance).
Note date with unknown noblewoman (4)
Some exploit ertswhile lags (7)
Head of costumes fitting first class number for lead (7)
I haven't cracked this one yet — but Fifteensquared have:
First letter (head) of C [ostumes], then APT (fitting = suitable) + AI (A1 = first class) + N (abbreviation for number).
Playgoer regularly lost attendant (4)
I haven't cracked this one yet — but Fifteensquared have:
Alternate letters removed (regularly lost) from P [l] A [y] G [o] E [r]. A young boy who acts as an attendant (for example to a knight, a member of the royal family, or a bride).
5 is negative with whichever case (5)
Canopy and air conditioning shed in cut (9)
Bottom touching knob (6)
Small hints about final allowances (8)
I haven't cracked this one yet — but Fifteensquared have:
S (abbreviation for small) + TIPS (hints), around END (final).
Mistakes published by informant overwhelmed by age (6)
Meddled with various untried desserts initially (8)
I haven't cracked this one yet — but Fifteensquared have:
Anagram (various) of UNTRIED , then the initial letter of D [esserts].
Down
Good landlords providing spirits (6)
Bit of work in unusual book (6)
Talk about line on square vessel (5)
I haven't cracked this one yet — but Fifteensquared have:
GAS (talk = chatter) around L (abbreviation for line), then S (abbreviation for square). A drinking vessel.
Mischievous line about European sport (7)
I haven't cracked this one yet — but Fifteensquared have:
ARCH (mischievous) + RY (abbreviation for railway = line), around E (abbreviation for European).
Strange thing swallowed by fish in a flash (9)
Stop transfer (8)
Simplicity of each essentially delusional head (8)
Ran round bend turning up for fight (4)
I haven't cracked this one yet — but Fifteensquared have:
LED (ran = was in charge of) around U (as in U-bend), all reversed (turning up = upwards in a down clue).
Destroy nasty coat whatever the consequences (9)
Oddly such mob goes to game (8)
I haven't cracked this one yet — but Fifteensquared have:
Odd-numbered letters of S [u] C [h], then RABBLE (mob = a disorderly crowd). Word-building board game.
Sir sent out to embrace Penny - she's single (8)
I haven't cracked this one yet — but Fifteensquared have:
Anagram (out) of SIR SENT , around (embracing) P (abbreviation for penny or pence).
Bit of body on a pedestal displayed (4)
A turnip prepared for zealot (7)
Branded container in part of garden (6)
Practised poetry with head of department (6)
Head to run and frolic (5)
Type letters or click words in the clue