I think I've finished, but there are some I'm not sure about.
For instance, 17dn Worry about cork, or the lack of it, from the bush (7)
I have a word for "bush" in the sense of "type of territory". Any confirmation or othehwise?
I've only just fathomed why iy's OUTBACK myself, chris: worry = anagrind, the solution is an anag. of "about" +"ck" (cork lacking or)!!!
And now back to torturing myself over the last 3 of jolan's............................