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SSH it in, or add this source as a source in Cydia.

Well, not Cydia–Installer–because you can't use it with 2.0 and above.

SSWHAT? Sorry, me speak no iphone language. Me not know.
Ask me how to replace your ipod's screen or fix your laptop hardware, that I'm savvy in. But not this stuff.
 
SSWHAT? Sorry, me speak no iphone language. Me not know.
Ask me how to replace your ipod's screen or fix your laptop hardware, that I'm savvy in. But not this stuff.

Check out the iPhone Hacks forum here, you should find what you need there.
 
Yeah, this forum is only about Apple's official App store, you won't get any good answers here.
 
First - I know it's not hacks forum but I'll post anyways.

2nd - It probably won't work on 2.x (i.e. 2.0, 2.1, 2.2, 2.2.1, etc.)

3rd - to SSH in simply follow the guide that you can find on Cydia's home page. Simple as that.

Shaun
 
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