I will take the following:
Pic 1: 2, 8
Pic 2: 2
Pic 3: 1, 4, 9
Pic 4: 4
Pic 5: 6, 9
Pic 6: 8
Pic 7: 9
Pic 10: 6, 7
Pic 11: 3
Pic 13, 7
Pic 15: 4, 7
Pic 17: 8
Pic 18: 1, 2, 3, 9
Pic 19: 5, 7
Pic 21: 1, 7, 9
Pic 22: 1, 2, 4, 6, 9
Pic 23: 5, 8
Pic 24: 1, 2, 8
Pic 25: 1, 3, 8, 9
Pic 28: 2, 7