Go to screencastsonline.com and click on the "Login" button in the header bar.
Then click on "Forgot Your Password"
Enter your ScreenCastsOnline username when prompted.
A link will be emailed to your registered email address to reset your password. The link will expire after 8 hours.
If the email doesn't arrive, send an email to firstname.lastname@example.org with your username requesting a password reset.