Don't know if there's still any help out there to be had - 41 of the 60 definite. 3oo4 on each of the (5) & (6) so not yet able to start populating the grid.
Would appreciate some big hints on (but will probably call it a day):
7) Curtail her going as a string instrument to boost output
8) Most trivial, not in smartest clothing or attentive to detail
9) Ghanaian cutting into tree con
16) Taking one extreme to the other, small person in some parts makes shorter
17) Docked wild flower in disused estate
18) Secretary's dress not coloured but primarily sexy
20) Initially portraying this noblemen would be a prized model
23) Do demolish University city without ancient beginning
24) Sort of rose acceptable in small type
25) Regional win provided by stunted Olympian
34) Pages short wee fellow
37) King ousting queen in warship returning to Scottish reach
38) Silence from smallest computer
41) Dobby replenished bottles (NISH ?)
49) Irrational liberal disposing of body is pain in the neck
51) cover up with river in old borough
53) Half payment apparently in
56) Aida's over revealing work in classical art being recalled
58) Punk shifted for beginner
60) Correct facts failing to start floppy growth