Place this code in custom.css as a starting point:

.custom ul {
   list-style-image: none;
   list-style-position: outside;
   list-style-type: square;
}

.custom li {
   padding-bottom: 5px;
}

Post Content Lists Only ∞

Place this code in custom.css as a starting point:

.custom #content ul {
   list-style-image: none;
   list-style-position: inside;
   list-style-type: disc;
}

.custom #content li {
   padding-bottom: 5px;
}

Sidebar Widgets Only ∞

Place this code in custom.css as a starting point:

.custom #sidebars li.widget ul {
   list-style-image: none;
   list-style-position: inside;
   list-style-type: disc;
}

.custom #sidebars li.widget li {
   padding: 5px;
}

Related Resources:

• CSS List Properties from W3 Schools

Place this code in custom_functions.php:

function after_content_ad() { ?>
// INSERT YOUR AD CODE HERE
<?php }

add_action('thesis_hook_after_content', 'after_content_ad', 1);

Ad on Single Post Only ∞

Place this code in custom_functions.php:

function single_post_ads() {
if (is_single()) { ?>
// INSERT YOUR AD CODE HERE
<?php }
}

add_action('thesis_hook_after_post', 'single_post_ads');

Ad on Pages Only ∞

Place this code in custom_functions.php:

function page_ads() {
if (is_page()) { ?>
// INSERT YOUR AD CODE HERE
<?php }
}

add_action('thesis_hook_after_post', 'page_ads');

Ad After First Post Only on Home Page ∞

Place this code in custom_functions.php:

function after_first_post_ad($post_count) {
  if (is_home()) {
    if ($post_count == 1) { ?>
       // INSERT YOUR AD CODE HERE
    <?php }
  }
}

add_action('thesis_hook_after_post', 'after_first_post_ad');

Related Resources:

• Conditional Tags from the WordPress Codex
• Thesis Hook Reference List from the Thesis Documentation