LGD (a bit) Christmassy Crossword

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Across
  1. 3. Keep going with grades, just one more to go! (4,6)
  2. 4. A trough for the french to eat? (6)
  3. 8. Vessel rusts, it's probably the beers! (4,4)
  4. 11. Seasonal songbird pinches a trinket (6)
  5. 16. Pouring out of an unnamed liberal state? (8)
  6. 17. Strain to become tyrants in vain? (13)
  7. 18. Anonymous jailer deals in lira?(6)
  8. 21. Small stacks of breathers (6)
  9. 22. Server moonlighting as Simpsons assassin?(9)
  10. 23. Carelessly losing English Christmas drink (4,3)
  11. 24. Farmyard animal painlessly finds the Spanish container (6)
  12. 25. Jump across stream to find oily aromatic (3,7)
  13. 26. Wealthy poet failed second grade, so became landlord (7)
  14. 28. Not in charge of glassware?(5)
  15. 29. Tenth beer for a short king (4)
Down
  1. 1. Winged creatures around American southeast find somewhere to rest on the go (3,4)
  2. 2. Len rips badly, must be the beer! (7)
  3. 5. Lady Grey appears on time working behind the bar? (5)
  4. 6. Richard eloquently asked Linda about Leo's expected initial beer (4,3)
  5. 7. Flower recently discovered along green lanes (3.4)
  6. 9. Fix temperature after 45 minutes, only a little bit! (4,4)
  7. 10. Margaret sat up to set an example? (6)
  8. 11. Some hesitation in ordering refreshment? (6)
  9. 12. Namesake may get boring (4.2)
  10. 13. Animal sounds indicate a woodworker? (6)
  11. 14. In favour of short division, finding company for fizzy drink (8)
  12. 15. Terrible espresso contains grounds (4)
  13. 19. Timeless privateer has first dibs drinking beer (3.3)
  14. 20. That bimbo Maxy could be an exotic treat? (6,3)
  15. 27. Refurbish composer's tankard (6)