You can obtain a Cresslia by trading it from Diamond, Pearl, and Platinum
You have to trade it from D/P/Pt.
you must trade it from platinum pearl or diamond
ditto is probably the only Pokemon that can breed with cresselia they are really rare to find in sinnoh so the best way is to go get a ditto from heart gold or soul silver
once get all the badges than go to map 10 and you will find deoxys darkrai shiny arvues and arcues cressila shiny cressila kyogre
sorry you have to trade it to Pokemon soul silver
Soul silver is AWESOMENESS!! yes GET IT
According to Serebii.net there are 493 Pokemon in Soul Silver.
You can't do Pokemon contests in Pokemon soul silver.
Why Soul Silver is about the original Pokemon Silver game for game boy. Soul Silver has some more bonuses.
There is no Silver Apricorn...
pokemon heart gold and soul silver. and heart gold and soul silver legends
In Pokemon Soul Silver, Suicune is at level 40! ^_^