Here's a list of captcha solving services I've found:

http://humancoder.com/
http://www.deathbycaptcha.com/
http://captcha-breaker.gsa-online.de/
http://www.turboranker.com/free-captcha-solving-service-lower-your-captchas-cost/
http://www.captchatronix.com/
http://captchabot.com/
http://www.reverseproxies.com/billing/signup/lhCVshTF
https://www.9kw.eu/

Happy Botting!  (There's many more of these services floating around, experiment fin done which one suits your automation needs the best!)