Easy... you have edited the wrong way in index.tpl.
inside of the <ul></ul> tags... you have to put this inside:
WITHOUT .php at the end!
They will be automatic added when loaded
inside of the <ul></ul> tags... you have to put this inside:
Code:
<li><a href="{$path}/index.php/p/v/donation">Donation</a></li>
They will be automatic added when loaded