Its pretty simple to modify or create a custom template
All you have to do is, copy and paste all the files from a previously made template. then import the template you want to use. move index.php to a seperate folder. Next re-name the template to index.php and add the side bar code (which can be found on the index.php you just moved) and the content code.
But try contacting the admin of alexking.org and you can find out from them. or check on the wordpress forum