[porkynator]

1.
Scramble: R' U' F L2 D' B2 F2 D2 R2 D F2 D L2 B2 F D2 B2 R B' L2 D' F' R' U' F
Solution: F D' U R' F U2 R2 U2 B2 U2 B2 R2 L2 D' L2 D L2 D R U F2 D' U F2 (24)

Spoiler (Click to View)

F D' U R' F //EO (5/5)
(F2 U' D F2 U' R') //DR (6/11)
(D' L2 D' L2 D) //HTR (5/16)
(L2 R2 B2 U2 B2 U2 R2 U2) //Finish (8/24)

2.
Scramble: R' U' F R U' D2 R U2 F2 R B' R2 F U L2 U R2 U B2 R2 F2 D2 R' U' F
Solution (1hr): R2 L2 F' B2 L2 U2 F2 U2 F2 L2 U2 F2 L2 B' R' B D2 U2 F R' F' R2 U' L2 R F2 (26)
Solution (no time limit): F2 R2 L2 F' L2 U2 L2 U2 B2 L2 B2 L2 B R' B D2 U2 F R' F' R2 U' L2 R F2 (25)

Spoiler (Click to View)

(F2 R' L2 U) //EO (4/4)
(R2 F R F' U2 D2 B' R) //DR (8/12)
(B) R2 L2 F' //HTR (4/16)
B2 L2 U2 F2 U2 F2 L2 U2 F2 L2 //Finish (10/16)

Better ending:
(B) F2 R2 L2 F' //HTR (5/17)
L2 U2 L2 U2 B2 L2 B2 L2 B2 //Finish (9-1/25)

3.
Scramble: R' U' F R B2 R2 U L' F B U' R' U2 R B2 U2 F2 U' B2 D' L2 F2 R' U' F
Solution: R L D' F' L' F2 U' D B2 U B' D2 L2 F2 U' R2 B2 U2 B2 U2 B2 U2 L2 U2 (24)

Spoiler (Click to View)

R L D' F' L' //EO (5/5)
F2 U' D B2 U B' //DR (6/11)
D2 L2 F2 U' //HTR (4/15)
R2 B2 U2 B2 U2 B2 U2 L2 U2 //Finish (9/24)

24, 26(25), 24 = 24.67(24.33)