This post came up in my google alert, so I hope you don't mind if add a couple of comments. We are glad to see that more people are able to use the Wi-Spy.
As far as your recordings looking nothing like the samples, you should check out this FAQ page:
Why does my recording look nothing like the samples? | MetaGeek
Inssider is free, and open source. Please download and use!
Chanalyzer 3.1 integrates Inssider within the Topographic view. This alone should be able to help you understand what you are seeing better!
Thank you OverWorked.
