Today's Burp Suite Tip of the Day is a video showing quite a few things.
1) How to compile and package the Burp Extender utilizing BackTrack 4.
2) We build the plug-in coded by Daniele Costa (ref: portswigger.net )
3) How to install DirChex on BT4
4) How to utilize both DirChex and BurpSuite (along with plug-in) to extract all html comments from a web application.
You can download DirChex at DirChex Project Page
Enjoy & Happy Hacking!!