hey, no problem. I was in the same boat as you when i got my iphone 3 weeks ago. i knew nothing about this stuff. after 20 hours of research (ok, maybe 10-13 hours ) i finally found some great videos to help me out.
this video is how to SSH and to link your iphone 3G to a wireless router
http://uk.youtube.com/watch?v=yIwukank-Xs (you might have to Copy and Paste)
This video is on how to put your phone into DFU mode
http://uk.youtube.com/watch?v=K0oS79cErHM
This is how to winpwn your 3G. This will work with any firmware, you just have to get the new firmware.
http://uk.youtube.com/watch?v=zlR2E1BDhts
This one is how to make custom ringtones via itunes
http://uk.youtube.com/watch?v=xUfC4SVa_pQ
References to hacking Copyright ed software removed by moderator.
Dustin
