1 = H on a U
1 = W on a U - 1 wheel on a unicycle(?)
1 = GL for M
2 = P in a P - Peas in a pod
3 = B M (S H T R) - 3 Blind Mice (see how they run)
4 = W on a C
4 = S of the Y
5 V in the A - 5 vowels in the alphabet
7 W of the W - 7 wonders of the world
7 = D and S W
7 = W of the AW - 7 wonders of the ancient world
7 = B for S B




8 L on a S
9 = P in the S S
10 P for a S
11 = P on a F B T - 11 players on a football team
12 D of C
12 = S of the Z - 12 signs of the Zodiac
12 = I in a F
13 = U for S - 13 unlucky for some
13 is a B D
13 L in a B D
13 = S on the A F
15 = M on a D M C
18 H on a G C
21 = D on a D


These are the ones I got first.. I'll come back to the others.. I NEED to do some housework! :D

1 = H on a U - 1 horn on a unicorn
1 = W on a U - 1 wheel on a unicycle
1 = GL for M - 1 giant leap for mankind
2 = P in a P - 2 peas in a pod
3 = B M (S H T R) - 3 blind mice see how they run
4 = W on a C - 4 wheels on a car
4 = S of the Y - 4 seasons of the year
5 V in the A
7 W of the W - 7 wonders of the world
7 = D and S W
7 = W of the AW
7 = B for S B - 7 brides for seven brothers
8 L on a S - 8 legs on a spider
9 = P in the S S -
10 P for a S
11 = P on a F B T - 11 players on a football team
12 D of C - 12 days of christmas
12 = S of the Z - 12 signs of the zodiac
12 = I in a F
13 = U for S - 13 unlucky for some
13 is a B D
13 L in a B D
13 = S on the A F
15 = M on a D M C - 15 men on a dead mans chest
18 H on a G C - 18 holes on a golf course
21 = D on a D - 21 dots on a dice

1 = H on a U - 1 horn on a unicorn
1 = W on a U - 1 wheel on a unicycle
1 = GL for M - 1 giant leap for mankind
2 = P in a P - 2 peas in a pod
3 = B M (S H T R) - 3 blind mice see how they run
4 = W on a C - 4 wheels on a car
4 = S of the Y - 4 seasons of the year
5 V in the A 5 Vowels in the alphabet
7 W of the W - 7 wonders of the world
7 = D and S W 7 Dwarves and snow white
7 = W of the AW 7 wonders of the ancient world
7 = B for S B - 7 brides for seven brothers
8 L on a S - 8 legs on a spider
9 = P in the S S - 9 Planets in the solar system (8 now)
10 P for a S
11 = P on a F B T - 11 players on a football team
12 D of C - 12 days of christmas
12 = S of the Z - 12 signs of the zodiac
12 = I in a F 12 inches in a foot
13 = U for S - 13 unlucky for some
13 is a B D 13 is a Bakers Dozen
13 L in a B D 13 Loaves in a bakers dozen
13 = S on the A F 13 stripes on the American Flag
15 = M on a D M C - 15 men on a dead mans chest
18 H on a G C - 18 holes on a golf course
21 = D on a D - 21 dots on a dice