How do you get a signature to show up?

[JGViperGTS]

When posting, how do you get it set up so that it automatically inserts a "signature" at the bottom of the message? I have tried to do this using the "signature" box in the "preferences" area, but nothing shows up...

-JGViperGTS

I keep having to type that in...

 

[C O D Y]

It looks as if it's working now?

Isn't that it under the dotted line?