17d A female attracted to *** smothered in *** ain't Greek (8)
A?T???A?
18d Admission one's been a *** with a blonde pig (1,4,3)
A , ?L?? , ???
24d J*sm those sporting Mohicans finally put on head? (5)
B????
I've just worked out what the ***s stand for in 17. The first one is the male equivalent of a hen and the second one is a word for excrement, here denoting an anagram.