What i do is set the Platinum rom into the same map open it type the whole name
you can also rename the nds file to something simple.
typ the name and ready.
i`m have found something it`s a bad egg and a normal egg but you while see Pokedex number 494 and 495 can it transform into a ??? arceus
here is the link http://projectpokemon.org/forums/showthread.php?t=5591