I have a launch day DS Lite, and a near-launch original R4 card. One of these, or a combination of both, makes it quite a temperamental thing. At the end of the day, it will all work, but the spring has broken (and been fixed) on the R4, the connectors are going on either the card and the DS, and whenever you remove the SD card or the R4 card, it can be a bit of a mess about putting it in, taking it out, putting it back, blowing etc., to get it to register. Is there a homebrew app for the DS that allows you to FTP across files over wireless? The less I have to remove the card(s), the better.