this is where all the downloads for hacking are.
http://download.cnet.com/HyperCam/3000-13633_4-10004511.html to get a hypercam.
http://www.darknet.org.uk/2006/04/top-15-securityhacking-tools-utilities/ I recommend Cain and Abel.

This one changes webpages. I reccomend it. Here. Download this webpage editor L.W.E (live webpage editor) https://chrome.google.com/extensions/detail/aimajdllbabbccdcmekjkapemehehmjc
Yes, its on Google chrome. But you need Google Chrome because its an extension to it.
Ok, for this one, the school probably won't allow you to download it, but you can use it at home. http://ophcrack.sourceforge.net/download.php or https://ophcrack.sourceforge.net/download.php