Login reCAPTCHA Not Working On Login Page

I have just installed wp Login reCapticha and when I try to login there is an error message that says “To use reCAPTCHA you must get an API key from https://www.google.com/recaptcha/admin/create”

Website: cloudsource.co.cc

Picture: http://dl.dropbox.com/u/23063192/Wordpress%20Support/login%20recaptcha.PNG

http://wordpress.org/extend/plugins/wp-login-recaptcha/