Right, just the two left. Could I have hints on these please?
17a Broadcast story of 8's mistake (4)
??A?
17d Weed's finally pulled up after busy period in 8 (4,4)
??L?,S?O?
Unfortunately I can't really give the answer to 8, as it's central to the puzzle (I'll just say that I don't think it's a real usage!)