To get 2 free Channels, the "Everyone Votes" Channel and the "Show off your Mii" Channel. Go to the Wii Shopping channel (with Wi-Fi Connection) and go to start shopping. Then go to the System shopping NOT Virtual games and you will see the 2 channels for 0 points and you can update your photo channel.
On the main channel menu, hold B, move over a channel, and press A to pick it up. You can now move it around, and place it wherever you want (Disc Channel Cannot be Moved)
In the Photo Channel, Choose any picture, and select "fun". Watch the top bar for a cat to come strolling across the screen. Wait for it to come in a decent ways, then quicky use your wiimote to go and grab it using A. It will then give you a Hint or tip about how to use the photo channel.