VISTA ULTIMATE X64 SP1

ok i got the hang of this now thank you for a great tut 10/10 but i need to know what files to modify for logon and bootscreen basically what im trying to do is make a ultimate vista with custom themes, programs, boot screen, logon, etc i am hoping to get it done soon so i can upload it and share with everyone and one more thing how can i change the installer interface? if anyone can upload some files i would very very much appreciate it

can i add my own programs like winrar, firefox etc i have not tried any of this im still downloading waik lol and also i have a windows Vista x64 sp1 Ultimate i would like to add winrar custom themes firefox and lots of different programs n tweaks i have not tried this sort of this stuff yet lol this seems a bit too advanced for me maybe Microsoft made very vista hard to modify! please help!