Answer 1

• Luigia
  
  
  • Ho-oh
  • Raikou
  • Entei
  • Suicune
  • Articuno
  • Zapdos
  • Moltres
  • Mewtwo
  • Groudon

(In-game)
Source: me and my soulsilver and that serebii

Comments

why are you answering after 6 hours

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because he has a better answer?

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*she
(if me)

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and celebi.

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This is ingame. Doesnt count events

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i have seen somewhere that you could caught a palkia or dialga lv 1 is that troo ?

Answer 2

Raikou
Entei
Suicune
Lugia
Ho-Oh
Celebi

These are all the legendaries in generation 2. You can get any legendary in soul silver from generation 4 and below, but for just regular silver you can only get these.

Answer 3

http://www.google.com/url?sa=t&rct=j&q=&esrc=s&source=web&cd=3&cad=rja&ved=0CEcQtwIwAg&url=http%3A%2F%2Fwww.youtube.com%2Fwatch%3Fv%3D8devWMs1s2g&ei=GTwMUentHojQqgHEkIHADQ&usg=AFQjCNGnC512ql2d6UfuvmBF7xRGJ3Y6nQ&sig2=SycnWAzkkMmLJZrht6tXng&bvm=bv.41867550,d.aWM

This should help