Hacking help, installing usb loader on 4.2kor changed to 4.2eu (no apps & wads

[help]

I have a Korean wii on sysmenu 4.2 with euro sysmenu but without all the apps and wads(i manged to install HBC with bannerbomb v2) , i need help in installing USBloaderGX and the necessary wads without bricking it


Thanks for the help