My browser is displaying the crossword without word counts, which makes things a bit tricky. I copied these from the PDF version. All others are single words.
Across
8 Detective’s helper having gang sign; family’s worried (10,5)
16 Explain away, before stint of bowling, England’s third defeat (5,4)
21 Confronted with a puzzle - for no monetary gain (2,1,4)
22 Small, almost bald, with dignity regularly stripped, that man: tell-tale treacherer (5,2,3,5)
Down
3 Exhibits floors (4,3)
7 Besides a balloon (2,4)
9 Spicy mix: Frenchmen embraced by Australians: sadly, tabloid up for describing them? (5,6)
10 Dancer crashed a van twice; Opel (not electric) (4,7)
16 Adult joke, curt oath, good to recall (5-2)
17 For fun, circle that guy that’s eaten pasty up (2,1,4)