1: Hikers' path around Virginia is hard work (7)
2: Assault on SandL comes to nothing (9)
3: It's on the coast of Australia - a tree discovered by science (6,3)
4: Mrs. Roosevelt East, Trim, Oregon (7)
5: Strangely, Salerno is a city in France (7)
6: In fear of wheat head (3)
7: A humorous writer or two (5)
8: Puff from lips into hat (5)
14: Spread of the ocean encompassing fish (9)
15: Miser manufactured Finn's kilt (9)
17: Vet injured spine before court (7)
18: This'll sound like a Scottish emblem (7)
20: Hollywood location less than clean (7)
21: Influenced by sound material (5)
22: Pound off top of door--what's inside? (5)
24: Choose to take the top off (3)