I am having this same problem, I have softmodded and successfully installed the homebrew channel on my Wii, now trying to do it for a friend, and I have done everything the same way way I did when I modded my Wii. But I can't get the letterbomb to show up in messages on his Wii. I am using a 2 GB micro SD card that the Wii does recognize, the Wii is running 4.3U. I have made sure multiplby mburns40 - Getting Started