Linked In Share Button Customization

<a href=”http://www.linkedin.com/shareArticle?mini=true&url={your_url}&title={your_caption}&summary={your_message}&source={your_source}” target=”_new”>Linked In</a>

Note: Linked In text can be replaced by image tag or you can customize it in your own way because basic hurdle was the URL you were finding. I will update this post further regarding the POST Image
.