If you use 'the_content();' in a virtual template you may see the post text from one post wth the title from another or you may put the server in a loop or exceed the allowed memory.
The following patch fixs this issue
edit the file 'montezuma/includes/parse_php.php' and change line 35 from
HTML Code:
if (have_posts())
HTML Code:
if ((is_single() OR is_page()) AND have_posts())