Here is a quick guide on how to make a post or reply to a topic in Rhino (click here) to open up a quick pdf how to document.

Just as a suggestion, if you want to be anonymouse when it comes to registering you can enter the same name all the way down the registration form.

EG

User Name:       Bentley Continental
First Name:        Bentley
Surn Name:       Continental
Screen Name:   Bentley Continental

And the rest is fairly straight forward.