Cryptic
1A Exchange money while keeping penny for Zeppelin, perhaps (6) E ? O ? Y ?
15A Area in a slow moving boat up - country (9) G ? A ? E ? A ? A
21A Where nurses walk to a lower level (9) ? ? ? ? W ? R ? S
24A Set off me, turn and shout (6) ? ? ? ? ? ?
16D Snow vehicle left inside plant (6) ? L ? ? ? ?
22D Initially water elves built trap (3) ? ? ?