Theme: Pinaceae Pinus - Products of a pine tree.
20A. Long-eyed stitching tool : DARNING NEEDLE
33A. Dairy Queen order : ICE CREAM CONE
41A. Proverbial backbreaker : THE LAST STRAW. Link
56A. Maine's nickname, and a hint to the ends of 20-, 33- and 41-Across : PINE TREE STATE
Argyle here. Running late. Puzzle seemed conflicted. Some very easily clued entries, some clued with trickery and a few obscure entries for a Monday. Moving along to what appears to be Matt's debut puzzle.
Across:
1. 33-Across topper : SCOOP. 33. Dairy Queen order : ICE CREAM CONE
6. Points (at) : AIMS
10. Trucker on a radio : CBer
14. Former "Idol" judge Abdul : PAULA
15. Tie in chess : DRAW
16. Cosmo competitor : ELLE. (magazines)
17. Marx Brothers shenanigan : ANTIC
18. Topnotch : A ONE
19. Sugar bowl block : LUMP
23. Student's Web address ending : .EDU
24. One on the other side : FOE
25. Right on time : PROMPT. NOT Cruciverb.
28. Finally registered mentally : SANK IN
30. __ cheese dressing : BLEU
32. Dinghy mover : OAR
36. "The __ Baltimore": Lanford Wilson play : HOT_L. The E in the neon sign didn't work.
39. "__ Wiedersehen" : AUF. Too soon, can't say good bye yet.
40. Picnic spoilers : ANTS
46. Main element in pewter : TIN
47. Dance in a pit : MOSH
48. Soak up : ABSORB
52. Promotional theater display item : POSTER
54. Martini order : DRY
55. Theology subj. : REL.. (religion)
60. Army vehicle : JEEP
62. "I figured it out!" cries : A-HA's
63. Craze : MANIA
64. Gets older : AGES
65. Army status : RANK
66. Rags-to-riches author Horatio : ALGER
67. Murder mystery staple : BODY
68. Russian fighters : MIGs
69. British city on the River Aire : LEEDS
Down:
1. Black suit : SPADES
2. Ottawa's country : CANADA
3. Beat in a race : OUTRUN
4. "thirtysomething" actor Ken : OLIN
5. World's largest ocean : PACIFIC
6. "Time is money," e.g. : ADAGE
7. Golfer's selection : IRON
8. Lion's tresses : MANE
9. Popeye's kid : SWEE' PEA
10. Violin cousin : CELLO
11. Song title words before "You saw me standing alone" : "BLUE MOON"
12. Horror film street : ELM
13. Workout unit : REP
21. Nada : NONE
22. Beaten instrument : DRUM
26. Breathe after sprinting : PANT
27. Yves's "very" : TRĂˆS
29. Pass idly, as time : KILL
30. Hair neatener : BRUSH
31. Exited : LEFT
34. Sylvester and Garfield : CATS
35. Cornfield cries : CAWS
36. Internet address opening : HTTP
37. Cincinnati's home : OHIO
38. State-of-the-art 1970s bike : TEN SPEED
42. Church agreement : AMEN
43. Pitcher's problem : SORE ARM
44. Hard to find : RARE
45. Totally dreadful : ABYSMAL
49. Autumn color : ORANGE
50. Tightened, as shoelaces : RETIED
51. Dims with tears, as one's vision : BLEARS
53. A bit too happy at happy hour? : TIPSY
54. Office workplaces : DESKS
57. Spicy cuisine : THAI
58. Jingled : RANG
59. "A __ of Two Cities" : TALE
60. Fighter's punch : JAB
61. Self-regard : EGO
Argyle