Kate's Cryptic Crossword

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Across
  1. 4. Chuck is absolutely beaming with it (7,5)
  2. 5. Blakfullas leading more out bush (3)
  3. 6. I heard it on the radio… (5)
  4. 8. Where the heart is! (4)
  5. 11. Spear it! I heard they were high (6)
  6. 13. Citric and chewy (5,3)
  7. 14. Tree tops at the start of canoe, bottom half is droopy (6)
  8. 15. Underwater creature on the outskirts of easel (3)
Down
  1. 1. Funny yacht named Morgan, and she won the gold (5,7)
  2. 2. 8 watt lead lamp pieces of bright yellow plant (6)
  3. 3. Lee’s Dead!? Sounds like you have that the wrong way around… (6)
  4. 7. Always was always will be! (10,4)
  5. 9. Spooner said you and me on noon? It’s a classic! (4,4)
  6. 10. South Australian Lieutenant is outback, sourcing some edible plants (8)
  7. 11. First of all, some apples pies are sticky (3)
  8. 12. Strange endemic needs healing (8)