[ Reference ]
One of Japanese blog : Shaymin Forme Change
Photo : deleted post from cach
[ Added ] 8 June 2008 AM6:42 JST/ 7 June 2008 PM14:42 PST
Photo was found by google cach. Original article was posted on 4 June, before appearing drink cup photo from Pokemon official site. Blog owner deleted original article because someone gave her pressure via blog's comment.
And she said there are three kind of Sky forme stickers. Now Pokemon fans especially Deco-chara fans are looking for other stickers before June's Corocoro release.