hi aknd,
here you have some links for tutorials:
h**p://zor.org/krobar
h**p://66.98.132.48/crackz/index.html
h**p://66.98.132.48/fravia/index.htm
h**p://66.98.132.48/yates/index.htm
h**p://www.absolutelock.de/construction/frame.html ( unpacking god )


and two good forum :
h**p://woodmann.cjb.net/
h**p://board.anticrack.de/

rheya.