How to add the og:image to category page

[qmuhannad]

Hi folks,
I am trying to include link of a category on facebook. The open graph object debugger shows that all category fields are correct but the og:image. This extension is missing adding the product.group option. I have tried to edit the block file (MagePal/FbOpenGraphMetaTags/Block/Tags.php) code in the getTags() function as follows but failed to get results:

public function getTags(){
$this->tags['og:url'] = $this->helper('core/url')->getCurrentUrl();
$this->tags['og:site_name'] = Mage::app()->getStore()->getName();
$this->tags['og:type'] = 'website';
$this->tags['og:title'] = $this->getLayout()->getBlock('head')->getTitle();
$this->tags['og:description'] = $this->getLayout()->getBlock('head')->getDescription();

//If on the product page
if($product = Mage::registry('current_product')){
$this->tags['og:type'] = 'product';
$this->tags['og:title'] = $product->getName();
$this->tags['og:description'] = $product->getShortDescription() ? $product->getShortDescription() : $this->tags['og:description'];
$this->tags['og:image'] = $this->helper('catalog/image')->init($product, 'image')->resize(500,500);
}
//If on the category page
elseif($category = Mage::registry('current_category')){
$this->tags['og:type'] = 'product.group';
$this->tags['og:title'] = $category->getName();
$this->tags['og:description'] = 'Helloooooooo';
$this->tags['og:image'] = 'https://images.askmen.com/1080x540/2016/01/14-045822-what_to_wear_in_your_tinder_pics.jpg';
}
foreach($this->getConfigValueArray() as $key => $value){
if(array_key_exists($key, $this->systemConfigTranslation)){
$this->tags[$this->systemConfigTranslation[$key]] = $value;
}
}

    return $this->tags;
}

I hope if anyone could help me to solve this issue!

[srenon]

When you view source in a browser on the category page, do the new OG tags show up?

If, NO, did you clear Magento caches?

if, YES ... take a look at https://stackoverflow.com/questions/5776567/facebook-open-graph-not-clearing-cache and then https://developers.facebook.com/tools/debug/sharing/