In one sentence, describe what the following article is about:

This option is in the middle of the page. You may first want to open Connection Settings on this page to ensure that you have Internet access. The SD card is the thin, flat card inside of the compartment that's left of the disc slot. Gently pulling on it will remove it from your Wii. Now that you have the information required to install The Homebrew Channel on your Wii, it's time to download LetterBomb.
Select Console Information and press A. Remove your Wii's SD card. Switch to your computer.