If you want to add a block-region to a drupal theme user following tutorial:
1. Backup your files before changes!
2. creating the new regions in .info file of the theme
Add for each region you want to add a single line:
3. Add a to the page.tpl.php file wherever you want to apperar the region if you want to see the yellow bar :-)
4. print the block content <?php print $new_region;?>