Dynamic display block slideshow module for Drupal

Hello, I'm trying to make the advanced slishow working, but can't manage......... fact is I can't end the installation, cause when I go to the template.php file (my theme is white jazz, but I've tried with garland and it's the same) and uncomment the lines, after refreshing the pag on the site, nothing happpens, and I still get the error Warning Invalid argument supplied for foreach().... what should I do? I already posted an issue into drupal forum, but so far nobody answered :(( please help me!!!!!!!!! I'm so lost at this!!!