How Do I Keep Old Stages, But Add New Ones?

[That BattleToad PSA Guy]

I got a stage expansion pack, but I don't know how to use it!

Help is appreciated...as always!

[Akiba Red]

Stage Expansion Code.

Stage Roster Expansion System v2.0: [Phantom Wings]
E0000000 80008000
04043B20 380000FF
04043B40 1C060018
04043B58 38840018
04949C8C 3884B460
04949D10 3884B460
04949E20 3884B460
04949EFC 3884B460
C294A588 00000003
A063001A 2C030040
41800008 38600000
60000000 00000000
C294A1D0 00000003
7C7D1B78 2C03FFFF
40820008 3FA0003F
60000000 00000000
04015564 48000010
2042AEB0 00000041
0442AEB0 00000000
80000000 8042AEB0
80000001 8042AEB0
60000030 00000000
8A001801 00000000
86000000 00000024
86000001 00000018
62000000 00000000
0042B348 024B0000
0442B348 00000040
0642B34C 00000010
73745F63 7573746F
6D00002E 72656C00
80000000 8042BC18
80000001 8042B460
8A010001 00000000
0442B560 8042BC14
0042BC18 010F0000
0642BC14 00000008
43757374 6F6D0000
E0000000 80008000
04043B34 483E783C
0642B370 00000050
2C060031 4080000C
80040000 48000040
3806000F 7C030000
40820030 3866FFD0
38C4000F 38860001
3CA08042 60A5B450
38E00000 7E6802A6
4BFCB811 7E6803A6
38C00031 4BC1878C
3884FFE8 4BC1877C
04949C88 4BAE1749
04949D0C 4BAE16C5
04949E1C 4BAE15B5
04949F08 4BAE14C9
0642B3D0 00000060
9421FF80 BC610010
7C6802A6 9061000C
2C000040 41800030
7C030378 3863FFC1
3CC08042 60C6BC1C
38860001 3CA08042
60A5B450 38E00000
39200000 4BFCB7AD
38000040 540013BA
8061000C 7C6803A6
B8610010 80210000
4E800020 00000000
0042B455 00000078
0442B45C 00000002

[Custom SSS]
046B8F5C 7C802378
046B8F64 7C6300AE
040AF618 5460083C
040AF68C 38840002
040AF6AC 5463083C
040AF6C0 88030001
040AF6E8 3860FFFF
040AF59C 3860000C
060B91C8 00000018
BFA10014 7CDF3378
7CBE2B78 7C7D1B78
2D05FFFF 418A0014
006B929C 0000001F
066B99D8 0000001F
00010203 04050709
080A0B0C 0D0E0F10
11141516 1A191217
0618131D 1E1B1C00
006B92A4 00000019
066B9A58 00000019
1F202122 25242326
27282A2B 2C2D2E2F
30313233 34353637
38000000 00000000
06407AAC 00000078
01010202 03030404
05050606 07070808
0909330A 0B0B0C0C
0D0D0E0E 130F1410
15111612 17131814
19151C16 1D171E18
1F19201A 211B221C
231D241E 251F2932
2A332B34 2C352D36
2F373038 3139323A
2E3BFFFF 40024101
42024301 44024501
46024701 48024901
4A024B01 4C024D01
4E020000 00000000

[Tracklist Modifier v1.0]
0610F9BC 00000014
60000000 60000000
3C80811A 7C601B78
608447E7 00000000
4A000000 81000000
301A46F8 6D755072
1417DF44 7CE03B78
1417DF4C 7C0400AE
161A47E8 000000LL << Bytes of data
00000102 03040607 << Default Stages
08090A0B 0C0D0E0E
0E0E0E0F 10111213
14151515 16171819
1A1B1C1D 1E1F2D2D
2D202122 23242526
2728290A 2D2D2D2D
2D2D2D2D 2D2D2D2D
X1X2X3X4 X5X6X7X8 << Custom Stage Tracklists
-------- --------
E0000000 80008000

Tracklists:
00 Battlefield
01 Final Destination
02 Delphino
03 Luigi's Mansion
04 Mushroomy Kingdom (1-1)
05 Mushroomy Kingdom (1-2)
06 Mario Circuit
07 75m
08 Rumble Falls
09 Pirate Ship
0A Eldin Bridge
0B Norfair
0C Frigate Orpheon
0D Yoshi's Island
0E Halberd
0F Lylat Cruise
10 Pokemon Stadium 2
11 Spear Pillar
12 Port Town Aero Dive
13 Summit
14 Flat Zone
15 Castle Siege
16 WarioWare, inc.
17 Distant Planet
18 Skyworld
19 Mario Bros.
1A Newpork City
1B Smashville
1C Shadow Moses Island
1D Green Hill Zone
1E Pictochat
1F Hanenbow
20 Temple
21 Yoshi's Island
22 Jungle Japes
23 Onett
24 Green Greens
25 Pokemon Stadium
26 Rainbow Cruise
27 Corneria
28 Big Blue
29 Brinstar
2A Menu
2B Empty
2C Empty
2D Empty

From PhantomWings.

[That BattleToad PSA Guy]

I'll get back to you if it works or not...

EDIT: No, It Does Not.