Buying Facebook Not showing right thumbnail in share button on WP

i need someone to give me a quick fix for this , problem is that the Facebook share doesn't show the right thumbnail when clicking on share

please note that:
i had installed wp open graph
i had placed the fallowing code in my header
<link rel="image_src" type="image/jpeg" href="img_path" />
and the code
<meta content='article' property='og:type'/>
<meta expr:content='data:blog.postImageThumbnailUrl' property='og:image'/>
<meta expr:content='data:blog.title' property='og:site_name'/>
<meta expr:content='data:blog.pageName' property='og:title'/>
</b:if>

when i go to Facebook debug , when i first place the URL - it
give the msg:

og:image could not be downloaded or is too small

but then i refresh the page in wordpress , debug it again and then it's fine and also the share button show the right image , what is going on?

if you can contact me and solve this i will pay you quick $15 in paypal

thanks

 

i want to add that i just actually posted a post on Facebook and even though it showed the wrong image on share popup on Facebook itself it posted the correct image, so strange , need to resolve it asap

 

Hey man I can help you fix it Please message me and we can start soon. Thanks

 

still need a solution for this

 

Let me know the details.. I can help you. Thanks

 

Let me tell you a quick fix, I hope this save your $15.

1. Install Yoast SEO on your WP
2. Edit the post you want to add image on
3. On the Yoast SEO tab at the bottom, go to "Social" tab, you can put the image there.
4. Try again with FB debugger, should works fine.

Hope this help.