is there way to add an Extra Text Box for adding Content with TinyD..the Extra box is to add extra Content to same Page .. Like More...

i do not want to install the News or article Module , since i dont plan to have More News on my Site but from time to time you Can Add a new Annucment . so i thouhgt to use TinyD to add the Annucment and use the Content Block , But the block well Show the Whole Content , i thought if we can hack the Module to have Extra Box to Show the Line More.. to Read the Full Content..