Finished!! But a couple i can't parse. Appreciate help please. The second "W" clue. Old way to make fun of Mafia members. (4,4). W?S? G?Y? Think it must be Wise Guys. But why? The second "G" clue....
Three to go.
27a "Thus screening gull eating head of moorhen is graphic". (9)
18d Top cryptic is, for starters, a grand to compose (15)
26a Bird - be a 17 (5). (17 is "chicken"...
