This week's book giveaway is in the OCAJP 8 forum. We're giving away four copies of OCA Java SE 8 Programmer I Study Guide and have Edward Finegan & Robert Liguori on-line! See this thread for details.
It sounds like wget is working fine. The default behavior of wget is to retrieve a URL. What you want to do is post the form that has the checkbox on it. A quick glance at the wget manual and it looks like you should use the --post-data or --post-file options to send data to your monitor.