Hello, if you are an user of firegesture and you want use Fast Dial with it :
Go in menus : Tools > Complementary Modules > FireGestures > Links > Add script, and write :

Name : Fast Dial

Script :
const URL = "chrome://fastdial/content/fastdial.html";
const IN_NEW_TAB = true;
const IN_BACKGROUND = false;
if (IN_NEW_TAB)
gBrowser.loadOneTab(URL, null, null, null, IN_BACKGROUND, false);
else
gBrowser.loadURI(URL);

Gesture : What you want ^^

Ok > Ok

Enjoy ;)