Update README.md

README.md

 VDT plugin
 ==========
 
-There is a [video tutorial](http://blog.elphel.com/2016/05/tutorial-02-eclipse-based-fpga-development-environment-for-elphel-cameras) that shows installation of this plugin and related software.
+There is a [![Elphel video](http://community.elphel.com/pictures/icons/playbutton3-32.png) video tutorial](http://blog.elphel.com/2016/05/tutorial-02-eclipse-based-fpga-development-environment-for-elphel-cameras) that shows installation of this plugin and related software.
 
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