Capturing captcha

hi am a newbie.
i got some problem using WebBrowser control :cry:
i wanna create application for register new user on MIG33.
i using WebBrowser to open url registration, but its to large, becoz iam using 10 WebBrowser to create multy user :bigyello:
url is https://register.mig33.com/register/email/
please someone help me to capturing a chapta on my WebBrowser then display it on picture box [same session], am tired coz i cant view source page using InnerHtml..
Thanks before..