Also, to post pictures, you can take a picture in the game (hold down the L or R button, then hold down the other one, it'll snap a pic). Then all you have to do is get the picture from your 3DS SD card, if you have a card adapter for your computer or a card slot you can do that easily, it's the same as getting pictures out of a digital photographic camera on to your computer. If not, I think you can use a service Nintendo has that lets you upload those screenshots directly online or you could use the browser function to e-mail them to yourself or something, though I've never done that. I just remove the SD card and use it to get the pictures onto my computer.
