Across
Laid up in old island state (8)
Could be a barnacle's inappropriate prod (5)
Stupid person cutting end off sun-dried meat strips (4)
Scandalous secrets revealed to chambermaid (5,5)
Robin playing over intro of boy band (6)
I haven't cracked this one yet — but Fifteensquared have:
An anagram (playing) of ROBIN round B[oy]
Agent who changes players going round country with no capital (8)
A despicable person gets put away in stir (7)
I haven't cracked this one yet — but Fifteensquared have:
A GIT (a despicable person) + ATE (put away)
The City Beautiful's light surrounded by gold ring (7)
Oddball sailor working over marines by a lake (8)
I haven't cracked this one yet — but Fifteensquared have:
AB (sailor) + a reversal (over) of ON (working) + RM (Royal Marines) + A L (lake)
Royal broadcast copies (6)
Seabed and bank rocks that produce wind? (5,5)
2d
Trips in central Kurdistan initially become unhealthy (4,4)
Area of Northumberland that's handy for suckers? (5)
I haven't cracked this one yet — but Fifteensquared have:
Contained in nortTHUMBerland – with a play on ‘handy’
Master knight called Hill (8)
Down
Scales tipped against popular government leader taking a rest (8)
I haven't cracked this one yet — but Fifteensquared have:
A reversal (tipped, in a down clue) of PEELS (scales) + IN (popular) + G[overnment] I wondered about this but, for ‘scale’, Chambers has ‘to come off in thin layers or flakes’
See 26 across
Mean to follow this middle course (6)
I haven't cracked this one yet — but Fifteensquared have:
A reference to the philosophical Golden Mean After discussion passim on this, I’ve decided to leave the definition undefined: Mean followed by GOLDEN gives Golden Mean = middle course
No flyer needs oxygen, by the way — laughable! (7)
Like certain sisters said 'fruit' (4)
Short time I'd arranged with ailing artist (10)
I haven't cracked this one yet — but Fifteensquared have:
MO (short time) + an anagram (arranged) of I’D AILING
Corner the rest of Members of Parliament (6)
Uncommunicative book put out — end is awful (8,2)
Salt content of tobacco (3)
Bell's unfinished book (3)
Avoid fish and small fowl (8)
Canned eels can have a purifying effect (7)
Cracker from a tube, possibly today's last (6)
I haven't cracked this one yet — but Fifteensquared have:
An anagram (possibly) of A TUBE + [toda]Y
Danish father's go? (6)
Honey bishop hid in tree (4)
Bow adjuster changed for good (4)
Type letters or click words in the clue