diff --git a/on_the_web.admin.inc b/on_the_web.admin.inc
index 9179142..765efa3 100644
--- a/on_the_web.admin.inc
+++ b/on_the_web.admin.inc
@@ -31,6 +31,68 @@ function on_the_web_settings_form($form, &$form_state) {
       ),
     ),
   );
+
+  $sources = array(
+    'fontawesome' => array(
+      'key' => '4.7.0',
+      'label' => 'FontAwesome 4.7.0',
+      'icons_url' => 'https://fontawesome.com/v4.7/icons',
+      'description' => t('The last Open Source version of FontAwesome'),
+    ),
+    'forkawesome' => array(
+      'key' => '1.2.0',
+      'label' => 'ForkAwesome 1.2.0',
+      'icons_url' => 'http://forkaweso.me/Fork-Awesome/icons',
+      'description' => t('The FontAwesome Fork'),
+    ),
+    /* @todo Support FA5?
+    'fontawesome_5' => array(
+      'key' => '5.x.x',
+      'label' => 'FontAwesome 5.x',
+      'icons_url' => 'https://fontawesome.com/v5.15/icons',
+      'description' => t('The latest version of FontAwesome. <a href=":faurl">FontAwesome account</a> Required.', array(':faurl' => 'https://fontawesome.com/start')),
+    ),
+    */
+  );
+
+  $form['version'] = array(
+    '#type' => 'radios',
+    '#title' => t('FontAwesome Version'),
+    '#default_value' => $config->get('version'),
+    '#states' => array(
+      'visible' => array(
+        ':input[name="type"]' => array('value' => 'font'),
+      ),
+    ),
+  );
+
+  $source_options = array();
+  foreach ($sources as $source) {
+    $icons_link = l('see icons', $source['icons_url']);
+    $source_options[$source['key']] = $source['label'] . ' &mdash; ' . $icons_link;
+    $form['version']['key']['#description'] = $source['description'];
+  }
+
+  $form['version']['#options'] = $source_options;
+
+  /* @todo Support FA5?
+  $form['kit_hash'] = array(
+    '#type' => 'textfield',
+    '#title' => t('FontAwesome Kit Hash'),
+    '#default_value' => $config->get('kit_hash'),
+    '#attributes' => array(
+      'placeholder' => 'abcdefghij',
+    ),
+    '#description' => t('In order to use FontAwesome 5 you must <a href=":faurl">register your email address</a> to recieve a kit.'),
+    '#states' => array(
+      'visible' => array(
+        ':input[name="type"]' => array('value' => 'font'),
+        ':input[name="version"]' => array('value' => '5.0.0'),
+      ),
+    ),
+  );
+  */
+
   $form['size'] = array(
     '#type' => 'radios',
     '#title' => t('Icon size'),
diff --git a/on_the_web.install b/on_the_web.install
index 0d1ceab..5a6ad03 100755
--- a/on_the_web.install
+++ b/on_the_web.install
@@ -34,3 +34,10 @@ function on_the_web_update_1000() {
   update_variable_del('on_the_web_display');
   update_variable_del('on_the_web_enabled');
 }
+
+/**
+ * Add FontAwesome version.
+ */
+function on_the_web_update_1001() {
+  config_set('on_the_web.settings', 'version', '4.7.0');
+}
diff --git a/on_the_web.module b/on_the_web.module
index c28d2ad..a6e1ac7 100755
--- a/on_the_web.module
+++ b/on_the_web.module
@@ -212,9 +212,24 @@ function on_the_web_display_block($delta, $settings = array(), $contexts = array
     }
     elseif ($type == 'font') {
       if (!module_exists('font_awesome')) {
-        $links['#attached']['css']['https://cdnjs.cloudflare.com/ajax/libs/font-awesome/4.7.0/css/font-awesome.min.css'] = array(
-          'type' => 'external',
-        );
+
+        $version = $config->get('version');
+        switch ($version) {
+          case '4.7.0':
+            $font_url = 'https://cdnjs.cloudflare.com/ajax/libs/font-awesome/4.7.0/css/font-awesome.min.css';
+            break;
+          case '1.2.0':
+            $font_url = 'https://cdn.jsdelivr.net/npm/fork-awesome@1.2.0/css/fork-awesome.min.css';
+            break;
+          /* @todo Support FA5
+          case '5.x.x':
+            $hash = $config->get('kit_hash');
+            $font_url = 'https://kit.fontawesome.com/' . $hash . '.js';
+            break;
+          */
+        }
+
+        $links['#attached']['css'][$font_url] = array('type' => 'external');
       }
     }
   }