Replace standard icons of attached files (for the field type - file) on the another icons, for the Drupal themes. And the way to disable them altogether.
Adding a unique class for each menu item for the Drupal 7 themes, using the function in the template file. It may be necessary, for example, to the designation of each menu item to various color, etc.
Adding a separator to the menu items for the Drupal 7 themes, using the function in template.php file. A good way if you do not fit solution with pseudo-classes: before,: after in CSS.
Detailed instructions for installing the core Drupal 7, install the required modules and configure them, setting permissions, the creation of content types, russification (translated interface).