I have a modded Wii, and all of the files from usb loader v48 and the FAT32 DOL are on my SD card - and I can access games on my 1TB WD just fine.
So I turn on the wii, go to HBC, then to USB Configurator -Load, then I can see my games.
So I downloaded this SDUSB-Loader_cfg44_Hybrid.rar -...