1: Turkish ruler appearing in a widely distributed album (5,4)
5: Jet to Mars for one, never reaching the end (5)
8: Beat writer's collaborator briefly drank (5)
9: Overhear them speak of the serpent's purpose. (9)
11: A sign of winter here in Paris -- clashes when ash is dumped (7)
12: Listening to playwright's baloney (5)
13: The French Mr Menzies is a rodent (7)
15: No saint takes strong drink as a remedy (7)
17: She plays in a small enclosure on one street (7)
18: Lets stand on a cowboy hat (7)
19: Unholy father backed shrew (5)
21: Elsa ran frantically for store (7)
23: Mongrels at each others' throats in this ruthless world. (3, 3, 3)
24: Guided into the West (2,3)
25: Waves of laborers reported (5)
26: Moderately amphibian, for example, by the middle of the creek (2,1,6)