I have a question about the smashing pumkpkins sound. When they do solos and such, they use an effect that makes it sound all explosive, what is it?
Avenged Sevenfold Fan, proud of it.
A Zvex Fuzz Factory can give you Billy Corgan sounds, according to some guitarists at the Zvex forums.

However, for his earlier sounds like on Siamese Dream, he didn't use a distortion pedal. He used the distortion from his Marshall rack setup.
Ibanez RGT42DX
Vox AC30C2
Digitech Whammy (FOR SALE!)
Dunlop GCB-95F Crybaby
Boss DD-20
Boss SD-1
Ibanez TS9DX
MXR M-108 10 Band EQ
Quote by The Real Ming
Big Muff

G&L Tribute S-500 -> Ernie Ball VP -> Boss SD-1 -> Fulltone OCD -> Small Stone Phaser -> Danelectro Cool Cat Tremolo -> Boss DD-3 -> Boss RE-20 -> TC Electronic Hall of Reverb -> Boss RC-2 -------> Modded Crate v18 Amp

He also endorses Devi Ever pedals, in particular the Shoegazer - it's a high-gain fuzz pedal.
Quote by The Real Ming
Big Muff

This and MCIS was Marshall JMP-1 and an Alesis 3630. Any song in particular?