Glad you got it working. Re: your btscanner problem, it's likely a problem with the font/terminal size. After you try to launch btscanner, there should be a file called btscanner.log in the current directory. View that file, and it should show the error. If it says something about terminal size too small, reduce the font size in the terminal a couple of sizes and try again. The "-" button on top of the n800 will reduce font size.

As far as learning penetration tools goes, the best bet is to read through each programs documentation. There is no one set of commands that will work for each situation. Best bet is to google for "program name HOWTO" or "program name tutorial".