On 10-Mar-09, at 2:06 PM, Paolo Mainardi wrote:

<?php
$block = module_invoke('block', 'block', 'view', YOUR_BLOCK_ID);
print $block['content'];
?>

I would consider creating a new region in your theme instead. Then you can assign and move any block to it through the block admin page as you see fit. Creating a region is pretty simple; I think the Zen theme has a decently documented method of doing it.