The way I do it is create the pokemon in pokegen, save that as a pkm file, then load that into pokesav, then use pokesav to generate the code since the codes I generate through gen never seem to work. Next I drag that code file onto the ar code manager then add it to my ar. I've never had to move a save to my computer and I wouldn't have the slightest clue how.
I can't go into detail since i'm not at home right now but I can give a more detailed explanation once I get home. You're just trying to create pokemon right?
i was using pokegen to create the pokemon legit even looked up a tutorial then saving it and adding the code as a cheat under my game list or w/e. Then i drag the game over when my DS is plugged in and boot the game with the cheat is activated or whatever. So then i go in game and press the buttons check my party where it is supposed to be and nothing happens.
I have tried many different things, do you think once you get home you can help more or if you have an msn messanger.
I'd be happy to help but I don't have msgr. I was having similar problems getting pokegen codes to work as well but saving the pokemon file itself, loading it into pokesav then generating the code from there solved my issue.