Possible Duplicate:
How does Facebook Sharer select Images?
It looks like that the Facebook support custom title, description, and thumbnail in several ways.
So far, I have found two solutions.
using meta tag
[meta name="title" content="title" /] [meta name="description" content="description" /]
using URL parameters.
[a href='http://www.facebook.com/sharer.php?s=100&p[title]=WEB1CHANNEL&p[summary]=Web+Design+Company+in+Dubai.&p[url]=http://www.webchannel.ae&p[images][0]=http://qacode.com/test.jpg']asdfa[/a]
I really like solution #2, but it looks like it is not stable. Sometimes it works, sometimes it does not. Overall, it works anyway.
Is it okay to use solution #2? Is it going to be available in the future?