37 known values for glider with current usage counts:

1. default (21713× used)
2. purple (20785× used)
3. yellow (7217× used)
4. pumpkin (4877× used)
5. umbrella (3538× used)
6. bat_wings (1055× used)
7. cat_ears (837× used)
8. festive_drift (580× used)
9. bicolor (476× used)
10. bicolor2 (349× used)
11. plane (342× used)
12. leaf (216× used)
13. jet (215× used)
14. santa_sleigh (138× used)
15. jetpack (135× used)
16. magic_carpet (128× used)
17. magic_cloud (118× used)
18. ufo (107× used)
19. snow_glider (92× used)
20. flower (90× used)
21. coffin (86× used)
22. icy_umbrella (80× used)
23. surfboard (76× used)
24. pirate_sail (67× used)
25. carrot (58× used)
26. black_wings (57× used)
27. steampunk_wings (44× used)
28. lunar_lantern (39× used)
29. gingerbread_wings (36× used)
30. bandit_glider (34× used)
31. kite (34× used)
32. parachute (30× used)
33. jurassic_wings (27× used)
34. rocket (25× used)
35. festive_tree (19× used)
36. heliclover (12× used)
37. stinger (6× used)