what do you mean you called vbhome_lite.php? this is the table alteration installer. did you ran it into your /admin folder?
if you are not sure of something, please let us know and we will help you. tell here exacly all the steps you did, at letter and we will tell you what went wrong.
and dont worry, nobody was perfect when it started to code php or install a hack. our goal here at vb.org is to get our hacks up and running..
in order to do this, we need to know exacly what you did.
take your time and explain in as many details as possible what you did so far.
i tried to make it as clear as possible the install.txt file but nobody's perfect right? if something is unclear, please post it.. step by step.. what you did and where you got stuck.