Ross's Riddles: Presidents

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Across
  1. 4. Fourth, An angry star at first images being in the middle, but, at first, a ukulele orders (7)
  2. 5. Thirteenth, he finished his meal, but still is hungry (8)
  3. 6. Twentieth, Papa John's knots' last half leaves on a giant grass garden (8)
  4. 7. Fourteenth, Stab something (6)
  5. 8. Eighth, A car gets stuck on a pokey soft thing but at last, it leaves speaking English (3&5=8)
  6. 12. Ninth, A bunny at last leaves and his kid goes up and at last leaves (8)
  7. 13. Seventeenth, A toilets male kid (7)
  8. 14. Nineteenth, Multiple bundles of a horses meal, but, at first, fourth is excellent (5)
  9. 16. Eleventh, Tap an evolved lion at first, but third (4)
  10. 18. Sixteenth, Zelda's main character at last changes to a similar letter and climbs a mountain and at first likes being in the middle (7)
  11. 19. Twelfth, A schneider at first images Yale (6)
Down
  1. 1. First, Doing heavy laundry (10)
  2. 2. Third, A female and they're kid Kinney at first leaves (9)
  3. 3. Fifth, An enemy's last half leaves, and he goes on a boat, but, at first, why equivalent? (6)
  4. 9. Fifteenth, A deer at last hears something that starts with a vowel twice (8)
  5. 10. Sixth, A tree at first yanks (6)
  6. 11. Eighteenth, A genie makes a wish come true (5)
  7. 13. Seventh, Frost climbs up a mountain (7)
  8. 15. Second, What we are made of to Papa (5)
  9. 17. Tenth, A bow's suffix to a yank at first, leading someone to something, at last, but secondly (5)