I recently had a problem put a Captcha on a normal form and in the end found out that the Captcha dose not work unless the action posts to itself.
In a normal form i would only need to use universal email to apply the email function of a normal form. However, because i am trying to add a Captcha field to a registration form, this will not fix my problem. If helpful, please look at this post:
Which brings me to this problem, I have made the Captcha work by posting the form to itself, I Now need to make the registration form submit infomation to my database and redirect to my login page.