Another contact form with very scalable multi-type Fields. Uses Captcha, no Akismet. Can use external SMTP via wp_mail() or other Plugins. AJAX Suppor
In the WP Admin interface, you'll find a submenu entry "S.C.Form" under "Settings". There you can add new fields, edit labels, error messages, behavior and so on..
[scaleable-contact-form-ajax] somewhere in a post or site or call
echo scf_print_contact_form_ajax() directly from a template.