If you don't want the signature to be forced to the very bottom of the post, then try this.
Edit the additional.css template:
Admin CP -> Styles & Templates -> Style Manager -> Edit Templates -> CSS Templates -> additional.css
And add this:
Edit the additional.css template:
Admin CP -> Styles & Templates -> Style Manager -> Edit Templates -> CSS Templates -> additional.css
And add this:
Code:
/* move up signature */ .postbitlegacy .after_content { clear:none; }