The removing the deflicker filter from wiiware wads? You just open modmii, f to open file, drag your wad into the window, it should open the modmii wad tools. Then you go m to modify channel wad, and press enter until you get to the deflicker part. Here you just hit d to disable it. And you are done, you can hit E to exit. You should have the modified wad file in the same directory of the original wad. Before installing the new wad, uninstall any previous wads of the same title, and confirm that wad region matches your console