In order to create a video background row, you'll need a place where you can use the drag and drop builder. First thing to do is to add a row. Once you have it, you'll need to edit it (the orange button) ( Check screenshot here - http://i.imgur.com/OrnKRgI.png ). After you edit the row you can add video background http://i.imgur.com/Wms5uFY.png (notice there are 2 videos, because of browser compatibility we recommend using both). If you want to make your video the size of the screen (full screen) just scroll down the options and select the fullscreen mode for the row. If fullscreen is selected you'll have 2 more options for content vertical align and the scroll down button.
(This is not available for older themes, only the ones with the drag and drop builder)
Footers are created mostly with widgets and sidebars, so we'll need to concentrate on that. First of all, most of the footers need multiple sidebars, so we'll start with creating them. Our themes have custom sidebar options, so you can create as many as you wish. Here is how to do this: