Hybrid Grid 2
This give you the top level of the grid is a Category. This is great if you have live stream and a lot of video on demand
Linear 1 - 16 x 9 (Includes lower banner option)
Linear 1 - 4 x 3
This is best if you are offering a live stream.
This allows for a linear UI to be (2) Level deep. This is best if you are going to be doing many sub networks and want each sub-channel to have their own VOD category.