If you run into a game that gives you a black screen, you can check here to see if you need to install an IOS: http://www.wiihacks.com/recommended-...use-run-4.html.
Wad files are to be placed in a Wad folder on your SD card Root directory:
For HBC to read your SD correctly, your card must be structured SD:Apps/Application Name/boot.dol. In every Apps folder, there is a boot.dol, icon.png, and meta.xml:
SD:/Apps/Application Name/boot.dol, icon.png, meta.xml
AnyTitleDeleter can be used to identify your installed IOSes, channels, etc. Be careful not to inadvertently push buttons while using AnyTitleDeleter. Do not delete any IOSes under 200.