To summarize what's in the video tutorial:
- Open up the Mini-Event Models folder included in the video's description and find the character you'd like to edit. Then, use whatever modeling program you're most comfortable with to open the model file and begin making changes. MAKE SURE to set your new mesh's default position/rotation to whatever lines up best with the original model.
- Open your newly-saved mesh in SAMDL and make sure that the Morph setting is set to False. Otherwise, the model will become corrupted when loaded or it will crash the game in extreme cases.
- Hex edit. Since most users aren't going to edit the DC version, byte-swapping data is an absolute must. If you've done manual model insertion in the past, the process should feel familiar. Just know that the base address for the SA2B mini-event files is 0x816DFE60