I'll try the Gecko method when I get my 2 GB SD Card. Luckily my custom stages are on my 16 GB SD Card, so I don't have to delete them, I just use the other SD Card 
Oh and what do you mean by the 'root' of your SD Card? I'm guessing it's just the SD Card itself and not any of the sub-folders.

Oh and what do you mean by the 'root' of your SD Card? I'm guessing it's just the SD Card itself and not any of the sub-folders.