It is time to update my Anti-Spam robot for wordpress registration page. The hack presented here for spambots is still working for me but I’m getting a bunch of emails from peoples who can’t backup a file and insert a few lines in their register form. So, let’s cut to the chase: I’ve made a plugin that will insert the captcha (Completely Automated Public Turing test to tell Computers and Humans Apart) image automatically in the Login and/or Register page of your wordpress installation. And that is not all, you can play around with 5 different captcha algoritms and customize them the way you want. Hence, ocr geeks have managed to automatically read the image? no problem… change your captcha fonts, color, add some random lines or dots or switch to a different captcha algorithm and you are done. Read more »