Before edit Video Background please turn off default Joomla editor;
GO to: Joomla admin area -> Module manager -> Video Background -> In the ( var options = { videoId: 'iDIxohRVwco'}; ) line, change the value in brackets, replace the expression in quotation marks on your id video from Yutube
If you want to install image on background for this remove the 2 slashes in a row //background: url("images/bg.1.jpg"
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no-repeat center top fixed; and comment out the line ( var options = { videoId: 'iDIxohRVwco'}; )
Follow attached image
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