• First of all install [You must be registered and logged in to see this link.] to your Firefox browser.
  
• Click on Add to Firefox and then on Install Now button.
  

[You must be registered and logged in to see this link.]

• Now Restart your Firefox and you will see Greasemonkey icon adjacent to your Address bar.
  
• Now install [You must be registered and logged in to see this link.] userscript in it. (Remember this will only install if you have installed Greasemonkey in Firefox).
  
• For installation open the above link, click on Install button.
  

[You must be registered and logged in to see this link.]

• Now you will see a message displaying GoogleMonkeyR installed successfully at the right bottom of your screen.
  

[You must be registered and logged in to see this link.]

• Now here is my search result that I got before installing this add-on.
  

[You must be registered and logged in to see this link.]

• To customize your search result click on the Greasemonkey button and under User Script Command click on GoogleMonkeyR preferences.
  

[You must be registered and logged in to see this link.]

• Now customize your Search result according to your need and click on Save Preferences.
  

[You must be registered and logged in to see this link.]

• Now Refresh the Page. It will be like this.
  

[You must be registered and logged in to see this link.]

That’s it. You can also Disable GoogleMonkeyR any time to get back to your default search results.