9a Gunky - 'KY' (jelly, on rear of) 'gun' (arm)
11a (Dylan) Thomas - 'Samo(a; cut) H(alf-)T(ime)' (all back)
14a (m)Users - ditch 'm(arried)'
15a Easy Times - 'easy (simple) (Tiny) Tim gEtS (regularly)'
I have *no* idea why the clues in italics produce the answers they do.