18a Hardly dressed (8) I-O-C---
23A Complaint I'm taking on during inquiry (9) _ _e_i_o_y (the first letter may be q)
32a Compiler going by river in Scotland is the one starting a journey, (6-5) -----e-/f-r-p
(can't think of a word f-r-p but I think the 'down' letters are right,)
19d Call for help coming from dangerous course in Australia (2-7) --/s-c-u--
21d 31a with tuna swimming round skin-diver (8) (31a answer is water) ---a-n--
Hopefully you are more awake than I am. Thanks for your input.