I'm not sure about 3 answers -see brackets - could anyone explain how they derive, please if they are correct?
19ac (Pipit?) 20d (Pythian?) or 25ac (imitate)
19ac. Bird is good in bed(5)
20d. Oracular snake dropping round for 1A
(my answer for 1Ac was Hot chocolate but I think that's irrelevant)
25ac.Shed is en voyage in colour (7)
(Shed is the compiler and en voyage was in Italics but I don't know how to reproduce that style)