i need to learn how to do a silent install or any install while using nlite for my unattended version iw ant to add the following appz.

IE 7
XoftSpy SE 4.29
Avast 4.7 Pro Anti-Virus

Any clue how to get this fully installed in my unattened using nlite ??? i followed the help files and tutorial but cant get it to work . also is it possible to have these programs fully registered without the use of a crack./keygen after installation?