Wad Manager 1.8 Here

Install WADs directly from an SD card or USB storage device .

WAD Manager is a homebrew application that allows users to interact with —packages that contain Wii channels, Virtual Console games, WiiWare, or system updates. While the original hardware only allowed downloads through the official Wii Shop Channel, WAD Manager gives you manual control over your console's NAND (system memory). Key Features of Version 1.8: Wad Manager 1.8

Support for installing files to an emulated environment to save space on the actual console memory. How to Use WAD Manager 1.8 How to install Wads on the Wii Install WADs directly from an SD card or USB storage device