If you want to get Pulkia(Palkia) go see the elderly woman in Celestic Town, talk to her and she'll show you a picture of Palkia. After that you should be able to see Palkia in the GTS and be able to trade for it. Or go buy Pokemon Pearl and trade from your Pearl version.
In Diamond and Pearl They're Respective Cover Pokemon are in The Same Spot as The Other
Pokemon diamond
Pokemon diamond Pokemon diamond Pokemon diamond
you cant be a Pokemon in Pokemon diamond
She is not in Pokemon diamond.
where are special key in Pokemon diamond where are special key in Pokemon diamond
in Pokemon diamond
In the Pokemon diamond underground.
on Pokemon diamond where is the ruins
diamond
There is no Pokemon temple! There is such thing as Pokemon diamond.
Chingling is the 47th Pokemon in Pokemon Diamond.