To install the models, just paste the folder inside the mdls folder, then edit mdls.dat accordingly.

-------------------
| Wheelie Motobug |
-------------------

Add the following line to mdls.dat:
WHEELIEMOTOBUG CRMF/KWBUG.md3 3.0 0.0

Model Credit: Sonic Dash
Wheelie Motobug made by: Menacing Marshmallow


-------------
| Gamma Car |
-------------

Add the following line to mdls.dat:
GAMMACAR CRMF/KGMCR.md3 3.0 0.0 

Model Credit:
Made by me!
Gamma Car made by: AxeCrusader


-------------------------
| Robo-Sonic (S2 8-BIT) |
-------------------------

Add the following line to mdls.dat:
ROBOSONIC CRMF/RBSC.md3 3.0 0.0

Model Credit:
Made by me!
Robo Sonic made by: AmeixaRoxa


---------------------------
| Silver-Sonic (S2 8-BIT) |
---------------------------

Add the following line to mdls.dat:
SILVER-SONIC CRMF/KGGSS.md3 3.0 0.0

Model Credit:
Made by me!
Silver-Sonic made by: FabulousNinji


------------------------------------------------
| Modern Sonic (Sonic & SEGA All-Stars Racing) |
------------------------------------------------

Add the following line to mdls.dat:
SRB2MODERN CRMF/SASRS.md3 3.0 0.0

Model Credit:
Made by me!
Modern Sonic made by: BlueBlur


--------------------------
| Robo Sonic (S2 16-BIT) |
--------------------------

Add the following line to mdls.dat:
ROBO_SONIC CRMF/KMMKI.md3 3.0 0.0

Model Credit:
Made by me!
Robo Sonic made by: HattyBoyo

-------------------------
| Heavy & Bomb (Chaotix)|
-------------------------

Add the following lines to mdls.dat:
BOMB CRMF/KCBMB.md3 3.0 0.0
HEAVY CRMF/KHEVY.md3 3.0 0.0

Model Credit:
Made by me!
Heavy & Bomb made by: FlyingNosaj

----------------
| Amy & Breeze |
----------------

Add the following line to mdls.dat:
AMY CRMF/BREEZE.md3 3.0 0.0

Model Credit:
Made by me!