Chronosbox

Fast code snippet to get one page template that show posts of one category:

Add in your template page following code:

<?
the_post();
$keys = get_post_custom_keys();
if(in_array("category",$keys)) {
	$categoryslug = get_post_custom_values("category");
	query_posts('category_name='.$categoryslug[0]);
}
?>

Now, in your page add a custom field named ‘category’, field value is slug name of category.

Save the page and be happy! Now you can use same template for various pages and show any category without change more PHP code .