CM User Submitted Posts - Adding reCAPTCHA
This plugin allows you to add reCAPTCHA to user submitted posts. This makes users prove they are not robots.
To add reCAPTCHA, first go to Google reCAPTCHA and click on "Get reCAPTCHA"
Copy Site and Secret keys. Go to Settings under the plugin tab.
In the General Settings tab, there are places to enter the Site and Secret Google reCAPTCHA keys.
After adding these keys, reCAPTCHA is shown on forms.