Now wait a few seconds,and in new opened window,press "install now" button. When asked,restart your firefox.
You are half way good.Now we need script that will make us all happy.
The Caverns Links Checker can be downloaded here:
Code:
http://userscripts.org/scripts/show/29222
There is nice install button up right.After clicking on it,new window will appear. Wait few secondsand press "Install" in that window. And you are 100% good. Find some links and test it right away Many payed filehosting services are supported by this one,and if there is a new version of this script,it will be auto-downloaded