It really simple just download the Broadcaster App in the footer below or here.
open the app enter the url and enter your s3bubble username for the stream if you are logged in the correct url will be displayed above, start streaming click broadcast and then when it is connected click play on the player above.
If you would like to use Flash Media Encoder please view this post. here
Any issue please contact us to find out more Email us.
Flash Live Media Encoder is Free and can be download here.