I hope I correctly understand what you mean ;-)
The easiest would be to change the options for the zenpage plugin.
Set option [i]Articles per page (theme)[/i] to 1.
Set option [i]News article text length[/i] to 0 or leave empty.
Note that this will "paginate" the articles instead of showing links to [i]newer[/i] and [i]older[/i] articles.