Peoplesign - Photo Captcha
Download this mod
Say goodbye to annoying squiggly letters and spam:)
In 1.1.x platforms, it can be enabled for the registration form.
In 2.x plaforms, it can be enabled for registration, guest post, guest search and guest report post to moderator.
See peoplesign.com for an instant demo and more info.
Please email email@example.com for feature requests and bug reports.