Showing and Hiding Posts?

Hi Guys & Gals. My theme which i’ve installed shows only the latest post in full and then a few edited posts underneath. I really want to be able to show 5 full posts on my index page. do you know how this is possible? Link below
http://www.muchablogaboutnothing.com
The link to the text file with my Index.php info in it is HERE: http://www.muchablogaboutnothing.com/indexphp.txt

Thanks!