I have code to create your own php form with captcha.
I have placed a downloadable pdf with all the instructions here
Website Design, Strategic Internet Marketing, Development, Hosting, Duncan, Cowichan Valley, BC, Vancouver, Victoria Canada
That is my own website, so I am not sending you someplace dangerous. The code is well commented.
As I said, I am ashamed to say I don't know the url of the guy who wrote it, but I have been using this
successfully for a number of years.
