To change your password, please login to your account at www.pingler.com

In the sub-menu, click on Manage Account and then choose menu item Change Your Password 

You will be taken to a form where you can change your password but you must specify your old one to be able to change your password to a new one.  Please note that if you do not remember your old password, you should use the Forgot Password function at login to have a password emailed to you.