The three best ones are CFG loader, USB loader GX and WiiFlow.
I personally like USB Loader GX.
i would like to use a usb loader on my 4.3 black wii does any no of any good ones that will work on it thanks in advance.
google "usbloader poll" and you'll see that usbLoader-GX is the favorite by far
I need to know why my gx usb loader cant find the right ios, i have the ios i need but it wont load, the reader cant read it, and its driving me nuts, please help, what do i do!!!!!!