Jon Stevens resurrected Simple Captcha in the form of Kaptcha. The good thing about Simple Captcha / Kaptcha is that it generates an image similar to the ones used at Yahoo!. Other than that, it’s really straightforward to use.
I quickly integrated Kaptcha into SCode Plugin by introducing KinkImageEngine, exposed to Blojsom via “kink” flavor. Here’s how it looks like:
This flavor will be included in SCode Plugin 0.5 (yet to be released).