diff --git a/app/controllers/AdvertisementsController.php b/app/controllers/AdvertisementsController.php
new file mode 100755
index 0000000..3a6cd95
--- /dev/null
+++ b/app/controllers/AdvertisementsController.php
@@ -0,0 +1,85 @@
+<?php
+class AdvertisementsController extends ApplicationController
+{
+    protected function filters()
+    {
+        return [
+            'admin_only' => ['except' => ['redirect']]
+        ];
+    }
+    
+    public function index()
+    {
+        $this->ads = Advertisement::paginate($this->page_number(), 100);
+    }
+    
+    public function show()
+    {
+        $this->ad = Advertisement::find($this->params()->id);
+    }
+    
+    public function blank()
+    {
+        $this->ad = new Advertisement();
+    }
+    
+    public function create()
+    {
+        $this->ad = new Advertisement($this->params()->advertisement);
+        if ($this->ad->save()) {
+            $this->notice('Advertisement added');
+            $this->redirectTo(['#show', 'id' => $this->ad->id]);
+        } else {
+            $this->render('blank');
+        }
+    }
+    
+    public function edit()
+    {
+        $this->ad = Advertisement::find($this->params()->id);
+    }
+    
+    public function update()
+    {
+        $this->ad = Advertisement::find($this->params()->id);
+        if ($this->ad->updateAttributes($this->params()->advertisement)) {
+            $this->notice('Advertisement updated');
+            $this->redirectTo(['#show', 'id' => $this->ad]);
+        } else {
+            $this->render('blank');
+        }
+    }
+    
+    public function updateMultiple()
+    {
+        if ($this->params()->advertisement_ids) {
+            $ids = array_map(function($a) { return (int)$a; }, $this->params()->advertisement_ids);
+        } else {
+            $this->notice('No advertisement selected');
+            $this->redirectTo($this->advertisementsPath());
+            return;
+        }
+        if ($this->params()->do_delete) {
+            Advertisement::destroyAll(['id' => $ids]);
+        } elseif ($this->params()->do_reset_hit_count) {
+            Advertisement::reset_hit_count($ids);
+        }
+        $this->notice('Advertisements updated');
+        $this->redirectTo($this->advertisementsPath());
+    }
+    
+    public function destroy()
+    {
+        $ad = Advertisement::find($this->params()->id);
+        $ad->destroy();
+        $this->notice('Deleted advertisement ' . $ad->id);
+        $this->redirectTo($this->advertisementsPath());
+    }
+    
+    public function redirect()
+    {
+        $ad = Advertisement::find($this->params()->id);
+        $ad->increment('hit_count');
+        $this->redirectTo($ad->referral_url);
+    }
+}
diff --git a/app/helpers/AdvertisementsHelper.php b/app/helpers/AdvertisementsHelper.php
index 7a29396..4cba6be 100755
--- a/app/helpers/AdvertisementsHelper.php
+++ b/app/helpers/AdvertisementsHelper.php
@@ -4,9 +4,20 @@ class AdvertisementsHelper extends Rails\ActionView\Helper
     public function print_advertisement($ad_type)
     {
         if (CONFIG()->can_see_ads(current_user())) {
-            // $ad = Advertisement::random($ad_type);
-            // if ($ad)
-                // return $this->contentTag("div", $this->linkTo($this->imageTag($ad->image_url, array('alt' => "Advertisement", 'width' => $ad->width, 'height' => $ad->height), redirect_advertisement_path($ad)), 'style' => "margin-bottom: 1em;"));
+            $ad = Advertisement::random($ad_type);
+            if ($ad) {
+                return $this->contentTag("div",
+                    $this->linkTo(
+                        $this->imageTag(
+                            $ad->image_url,
+                            ['alt' => "Advertisement", 'width' => $ad->width, 'height' => $ad->height]
+                        ),
+                        $this->redirectAdvertisementPath($ad),
+                        ['target' => '_blank']
+                    ),
+                    ['style' => "margin-bottom: 1em;"]
+                );
+            }
         }
     }
 }
\ No newline at end of file
diff --git a/app/models/Advertisement.php b/app/models/Advertisement.php
old mode 100644
new mode 100755
index f38080a..0a055f7
--- a/app/models/Advertisement.php
+++ b/app/models/Advertisement.php
@@ -1,5 +1,44 @@
 <?php
 class Advertisement extends Rails\ActiveRecord\Base
 {
+    protected function validations()
+    {
+        return [
+            'ad_type' => [
+                'inclusion' => ['in' => ['horizontal', 'vertical']]
+            ],
+            'image_url'    => [ 'presence' => true ],
+            'referral_url' => [ 'presence' => true ],
+            'ad_type'      => [ 'presence' => true ],
+            'status'       => [ 'presence' => true ],
+            'width'        => [ 'presence' => true ],
+            'height'       => [ 'presence' => true ]
+        ];
+    }
     
+    static public function random($type = 'vertical')
+    {
+        return self::where(['ad_type' => $type, 'status' => 'active'])->order('RAND()')->first();
+    }
+    
+    static public function reset_hit_count($ids)
+    {
+        foreach (self::where('id IN (?)', $ids)->take() as $ad) {
+            $ad->updateAttribute('hit_count', 0);
+        }
+    }
+
+    # virtual method for resetting hit count in view
+    public function setResetHitCount($is_reset)
+    {
+        if ($is_reset) {
+            $this->hit_count = 0;
+        }
+    }
+    
+    # virtual method for no-reset default in view's form
+    public function getResetHitCount()
+    {
+        return '0';
+    }
 }
diff --git a/app/views/advertisements/_form.php b/app/views/advertisements/_form.php
new file mode 100755
index 0000000..6e6e005
--- /dev/null
+++ b/app/views/advertisements/_form.php
@@ -0,0 +1,37 @@
+<?= $this->formFor($this->ad, function($f) { ?>
+  <?= $this->partial('shared/error_messages', ['object' => $f->object()]) ?>
+
+  <div>
+    <?= $f->label('image_url') ?>
+    <?= $f->textField('image_url') ?>
+  </div>
+  <div>
+    <?= $f->label('width') ?>
+    <?= $f->textField('width') ?>
+  </div>
+  <div>
+    <?= $f->label('height') ?>
+    <?= $f->textField('height') ?>
+  </div>
+  <div>
+    <?= $f->label('referral_url') ?>
+    <?= $f->textField('referral_url') ?>
+  </div>
+  <div>
+    <?= $f->label('ad_type') ?>
+    <?= $f->select('ad_type', ['Horizontal' => 'horizontal', 'Vertical' => 'vertical']) ?>
+  </div>
+  <div>
+    <?= $f->label('status') ?>
+    <?= $f->textField('status') ?>
+  </div>
+  <?php if ($this->request()->action() == 'edit') : ?>
+    <div>
+      <?= $f->label('reset_hit_count') ?>
+      <?= $f->checkBox('reset_hit_count') ?>
+    </div>
+  <?php endif ?>
+  <div>
+    <?= $f->submit() ?>
+  </div>
+<?php }) ?>
diff --git a/app/views/advertisements/blank.php b/app/views/advertisements/blank.php
new file mode 100755
index 0000000..41352e7
--- /dev/null
+++ b/app/views/advertisements/blank.php
@@ -0,0 +1,5 @@
+<h4><?= $this->t('advertisements.new.title') ?></h4>
+
+<?= $this->partial('form', ['ad' => $this->ad]) ?>
+
+<?= $this->linkTo($this->t('buttons.back'), $this->advertisementsPath()) ?>
diff --git a/app/views/advertisements/edit.php b/app/views/advertisements/edit.php
new file mode 100755
index 0000000..7fc81cb
--- /dev/null
+++ b/app/views/advertisements/edit.php
@@ -0,0 +1,5 @@
+<h4><?= $this->t('.title', ['id' => $this->ad->id]) ?></h4>
+
+<?= $this->partial('form', ['ad' => $this->ad]) ?>
+
+<?= $this->linkTo($this->t('buttons.back'), $this->ad) ?>
diff --git a/app/views/advertisements/index.php b/app/views/advertisements/index.php
new file mode 100755
index 0000000..2b0a037
--- /dev/null
+++ b/app/views/advertisements/index.php
@@ -0,0 +1,53 @@
+<h4><?= $this->t('.title') ?></h4>
+
+<?= $this->formTag($this->updateMultipleAdvertisementsPath(), function() { ?>
+  <?php $ads = [] ?>
+  <table>
+    <thead>
+      <tr>
+        <th class="center"><?= $this->checkBoxTag('check_all', 'check_all', false, ['onClick' => "checkbox_toggle(this, 'advertisement_ids[]');"]) ?></th>
+        <th>#</th>
+        <th><?= $this->humanize('image_url') ?></th>
+        <th><?= $this->humanize('referral_url') ?></th>
+        <th><?= $this->humanize('width') ?></th>
+        <th><?= $this->humanize('height') ?></th>
+        <th><?= $this->humanize('ad_type') ?></th>
+        <th><?= $this->humanize('status') ?></th>
+        <th><?= $this->humanize('hit_count') ?></th>
+        <th></th>
+        <th></th>
+      </tr>
+    </thead>
+    <tbody>
+      <?php foreach ($this->ads as $ad) : ?>
+        <tr>
+          <td class="center"><?= $this->checkBoxTag('advertisement_ids[]', $ad->id) ?></td>
+          <td><?= $this->linkTo($ad->id, $ad) ?></td>
+          <td><?= $this->linkTo($ad->image_url, $ad->image_url) ?></td>
+          <td><?= $this->linkTo($ad->referral_url, $ad->referral_url) ?></td>
+          <td><?= $ad->width ?></td>
+          <td><?= $ad->height ?></td>
+          <td><?= $ad->ad_type ?></td>
+          <td><?= $ad->status ?></td>
+          <td><?= $ad->hit_count ?></td>
+          <td><?= $this->linkTo($this->t('buttons.edit'), $this->editAdvertisementPath($ad)) ?></td>
+          <td><?= $this->linkTo($this->t('buttons.delete'), $ad, ['data' => ['confirm' => $this->t('confirmations.is_sure')], 'method' => 'delete']) ?></td>
+        </tr>
+      <?php endforeach ?>
+    </tbody>
+  </table>
+
+  <?= $this->submitTag($this->t('.reset_hit_count'), ['name' => 'do_reset_hit_count']) ?>
+  <?= $this->submitTag($this->t('buttons.delete'), ['name' => 'do_delete']) ?>
+<?php }) ?>
+
+<?= $this->linkTo($this->t('buttons.add'), $this->newAdvertisementPath()) ?>
+<?= $this->willPaginate($this->ads) ?>
+
+<script type="text/javascript">
+  function checkbox_toggle(source, name) {
+    checkboxes = document.getElementsByName(name);
+    for(var i in checkboxes)
+      checkboxes[i].checked = source.checked;
+  }
+</script>
diff --git a/app/views/advertisements/show.php b/app/views/advertisements/show.php
new file mode 100755
index 0000000..6d2f6ed
--- /dev/null
+++ b/app/views/advertisements/show.php
@@ -0,0 +1,38 @@
+<h4>Advertisement #<?= $this->ad->id ?></h4>
+
+<div>
+  <label><?= $this->humanize('id') ?></label>
+  <?= $this->ad->id ?>
+</div>
+<div>
+  <label><?= $this->humanize('image_url') ?></label>
+  <?= $this->ad->image_url ?>
+</div>
+<div>
+  <label><?= $this->humanize('referral_url') ?></label>
+  <?= $this->ad->referral_url ?>
+</div>
+<div>
+  <label><?= $this->humanize('width') ?></label>
+  <?= $this->ad->width ?>
+</div>
+<div>
+  <label><?= $this->humanize('height') ?></label>
+  <?= $this->ad->height ?>
+</div>
+<div>
+  <label><?= $this->humanize('ad_type') ?></label>
+  <?= $this->ad->ad_type ?>
+</div>
+<div>
+  <label><?= $this->humanize('status') ?></label>
+  <?= $this->ad->status ?>
+</div>
+<div>
+  <label><?= $this->humanize('hit_count') ?></label>
+  <?= $this->ad->hit_count ?>
+</div>
+
+<?= $this->linkTo($this->t('buttons.edit'), $this->editAdvertisementPath($this->ad)) ?> 
+<?= $this->linkTo($this->t('buttons.delete'), $this->ad, ['data' => ['confirm' => $this->t('confirmations.is_sure')], 'method' => 'delete']) ?> 
+<?= $this->linkTo($this->t('buttons.back'), $this->advertisementsPath()) ?> 
diff --git a/config/routes.php b/config/routes.php
index 40207bc..4872ef4 100755
--- a/config/routes.php
+++ b/config/routes.php
@@ -8,16 +8,14 @@ MyImouto\Application::routes()->draw(function() {
     $this->post('admin/purge_tags');
 
     # Advertisements
-    /*
-    resources :advertisements do
-        collection do
-            post :update_multiple
-        end
-        member do
-            get :redirect
-        end
-    end
-    */
+    $this->resources('advertisements', function() {
+        $this->collection(function() {
+            $this->post('update_multiple');
+        });
+        $this->member(function() {
+            $this->get('redirect');
+        });
+    });
 
     # Artist
     $this->match('artist(/index)(.:format)', 'artist#index', ['via' => ['get', 'post']]);
@@ -273,4 +271,4 @@ MyImouto\Application::routes()->draw(function() {
     $this->post('wiki/create(.:format)', 'wiki#create');
 
     $this->root('static#index');
-});
\ No newline at end of file
+});