surely this will be the last release

If you do it right your SD card should have this folder structure:

SD
  apps
    Nintendont
      boot.dol
      icon.png
      meta.xml
    Nintendont Forwarder
      boot.dol
      meta.xml
    Nintendont Slippi
      boot.dol
      icon.png
      meta.xml
    Nintendont Slippi Forwarder
      boot.dol
      meta.xml
    NintendontForMelee
      boot.dol
      icon.png
      meta.xml
    NintendontForMelee Forwarder
      boot.dol
      meta.xml

1. Access the Priiloader menu by holding the face RESET button when powering on
2. Load/Install File > the appropriate forwarder
3. Settings > Autoboot: > Installed File