It does have couple of application which includes choosing who you want to share LinkedIn posts with and what you want to enable simple text-based sharing or more first sharing where you can brief LinkedIn to use your posts feature image.
On post page and on the all posts page you will also see record of categories post has been shared to LinkedIn..
Once you have installed the plugin browse to Settings > WP LinkedIn Auto Publish in the area and you will be welcomed with the main settings page where you will need to enter in authorisation details..
On every post page there will now be LinkedIn settings box where you can over-ride the default share message or choose to not to share the special post with LinkedIn.
Browse the code recheck out SVN repository or subscribe to the development log RSS....
Removed HTTPS from the URL displayed in 'Authorisation Instructions to show HTTP address instead as LinkedIn wasn't accepting HTTPS deflect URL...
Enabled the year share application i.e. the LinkedIn meta box share button and the 'share now link on post listings to share post even though the books or post type has been blocked in the plugin settings.
Now if you shift website addresses or go from HTTP to HTTPS website URI will be dynamically created instead of being found in the plugin settings.
Now 'Share Now button on All Posts page will actually share the post to LinkedIn more than taking you to the post edit page to then share the post to LinkedIn..
Added history stretch at the not top of the meta box on the posts page so you can see if the post has been sent to linkedin before..
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