Can I use a regular SD card to save data like Wii games?

I just bought, but haven't opened a Laxar 2 GB SD Card, and I was wondering if I would be able to save game data and other stuff using it. I'm not sure if I can so it is not open yet. Thanks. Does any SD card work or it just works for pictures? I didn't want to buy the SD card from the Wii company... show more I just bought, but haven't opened a Laxar 2 GB SD Card, and I was wondering if I would be able to save game data and other stuff using it. I'm not sure if I can so it is not open yet. Thanks. Does any SD card work or it just works for pictures? I didn't want to buy the SD card from the Wii company because it was too expensive, like $60 when I got the one I just bought for $20. Thanks.
Update: Sorry, it is a Lexar 2GB SD card, not Laxar.
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