Vine: a mobile service that lets you capture and share short looping videos. Like Tweets, the brevity of videos on Vine (6 seconds or less) inspires creativity. Now that you can easily capture motion and sound. you can read more about vine at
Vine Blog
This plugin used to fetch the latest vine video posted at twitter using hashtag.
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Extract the zip file and put latest-vine-video in wp-content/plugins/ directory of your WordPress installation and then activate the Plugin from Plugins page.
Go to Appearance >> Widgets to get Latest Vine Video Widget
Note: You have to use following format for the hashtag to be searched from twitter:- " # vine " for example if you want to use dance as hashtag then use following syntax "#dance vine" in the "Hashtag" text box of widget.