1: Slippery deck spots are on either side (9)
2: Reptile eventually climbing a hill (5)
3: Alien put in L.A. marriage (7)
4: After a second, whip and rip (5)
5: More spacious island accepted by tenant (7)
6: Boiled the seed furiously (7)
7: Prophecies of return of dissolute actress (9)
8: Quick thrust giving a little nudge to sled (5)
15: Unfit American Indian getting pale about note (9)
16: Syria going after nurse involved in overthrow; sticky stuff? (4,5)
18: Say again 'Others had food' (7)
19: Larvae can appear to contain cure-all (7)
20: A Baptist's head held by a priest in a river (7)
21: Thoroughly go over Quattro before start of test-drive (5)
23: Material from N.Y. - Long Island (5)
24: The Irish are working for small clubs (5)