I'm stuck on last three
19a Creative works appreciated by Morse (4,4) ?i?e arts
22a Legal precedent set by judges (4,3) c??? law
18d Insists upon (one's rights) (7) ???e?t? could it be attests?...
Really stuck on 4 4a In which all entrants won't come up to scratch (8) ?????c?? 5d Come very close to a qualification (4) ???? 6d I'd put up with tension trouble (8) ??e?r?s? and 8d Endless pleasure...