Just coming to see if I could help out. I spent months of time and lots of tweaking to get their stuff working for my sales notifier. I ended up having to do my own php install at dreamhost to get all of the settings the way they needed to be plus lots of help from others. So, let me know if you need any more help and I'll be glad to do what I can!
Thanks for the response. I finally got it to work. I was trying get the product search module to work. And finally it did work. Not all php web hosts are set up the same. I had to do some tweaking to get it to work on one of my webhosts.