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The correct solution for setting the image for your page is to set the correct Open Graph tag for each page. You can learn more about the Open Graph tags on Facebook's page below. These tags also let you set the title, description, and even type that the page is about (book, music, blog post, band, etc) in addition to the image:
http://developers.facebook.com/docs/opengraph/

To properly set these tags, you need to set the correct Open Graph tag into the head section of your template. The above can be accomplished, on a page by page basis manually (using similar suggestions to DullJohnny above), or by using Joomla extensions for Facebook integration. We're the creators of JFBConnect, listed on the JED at http://extensions.joomla.org/extensions ... ation/7215
JFBConnect has great Open Graph support, so that in an article, a template file, or other places you can simply type {JFBCGraph image=http://domain.comlinktoimage.jpg} and we'll set the right image, or you can set any of the other Open Graph tags.

JFBConnect also has options to automatically add a Like/Comment box to articles on your site, set the first image in an article as the image for that page, options to set the default Open Graph tags for every page on your site, and a lot more. There are other options out there to a lot of these individual features, but if you're going to really integrate Facebook on your site, I'd highly recommend choosing some Facebook-specific extension instead of going it alone.

Hope this helps, and good luck!

_________________
Alex Andreae | SourceCoast Web Development
Developers of JFBConnect - The easy Facebook integration suite that's used on the JED!
http://www.sourcecoast.com/ | http://www.sourcecoast.com/joomla-facebook/

Oh yes... I really want to pay for an extension when I've figured out how to accomplish it for free.. *rolling eyes*

The fix doesn't work for me Even if I put the image_src link straight into my index's header pointing to my site logo, Facebook finds nothing. A couple of weeks ago it was working fine.

I am using a totally custom template, not Artisteer, and have also tried the Open Graph meta tags.

Anyone have any other ideas?

My fix is still working, as long as I cut and paste the link of my website instead of hand typing it into facebook.

Hmmm...I started this thread quite a long time ago, found a solution to the FB thumbnails + link problem -- and now I have the same problem again, after seeing it go away for a long time.

The weird thing is that thumbails from links that I post from my site, http://solarchargeddriving.com, will appear on some FB fan/group pages I post to and not on others. I've tried posting links from other sites -- sierraclub.org, nytimes.com, etc. -- and some of the links post with thumbnails to FB and others do not.

There also seems to be a correlation between the size of a FB fan club/group and whether my thumbnails appear. FB fan clubs/groups with more than 10,000 people who like them seem to be ones on which my the thumbnail will not appear with my link, while those with fewer people who like them, I will generally see my thumbnail post with the link.

Seems like a code change a FB is affecting thumbnails posting with links generally as I have found recent stuff about this on Wordpress administrator help forums.

Anyone know what's going on this time?

Still having the same problem: Thumbnails post/show up with links I add to some FB pages, but don't show up when I post links to other FB pages. Again, there's a correlation between the number of people who "like" a certain page and whether the thumbnail will post with a link from my site. FB pages with more than 10,000 "likes" seem to be blocking thumbnails from posting with links.

And it's not just links that I post from my own site -- http://solarchargeddriving.com -- that I'm having problems with. For instance, I've tried posting links from The Denver Post, Road & Track, LA Times, Car & Driver, The New York Times -- none posted successfully to the Nissan LEAF FB page, http://www.facebook.com/nissanleaf, with a thumbnail. However, a link from CNN did post successfully Nissan LEAF's FB with a thumbnail. Very bizarre -- and very frustrating...

I am VERY new to Joomla. We noticed that one of two thumbnails appear next to our articles we post on FB. Where in Joomla can I specify which graphic to use?

Re: the comment below - where can I find the header section?


I have found sites stating to make sure the following is in the head section:

<link rel="image_src" href="http://mysite.com/image/logo.png" />

Is there a way to do this without messing with the code (Im too new and scared to do that)

My site just has a bunch of articles with a single image in them and I want to have the thumbnail come up on facebook when the user clicks my 'share' extension I have installed.

Sometimes when I click it, the thumbnail shows up but most of the time it does not.

Any fix out there?

Hi.
1. Make sure that in your images path name don't exist spaces.
For example: replace "my image.jpg" with "my-image.jpg"
Then, if you copy paste the url into FB, paste it with www. and without, it is posible that one will work and one not.
For my website works the one without www. becouse I have this in my Artio settings

Thanks,
but does anyone know the reason for this behavior?

I had the exact same problem and couldn't really find a solution. But I found a suggestion somewhere that it might be related to the load time of the site. My home page, www.allthingsqueer.co.za takes a while to load because I have quite a few modules installed. However, when I edited the blog pages to have less stuff on, e.g. http://allthingsqueer.co.za/archives/ge ... yself.html and I post these on facebook, they load just fine. Maybe try simplifying the website a bit?