Gate Fold Brochure help
I'm designing a single gate fold brochure. I'm having trouble figuring out how to set up the cover, which will have a full image spread. My concern is the bleed of the image since the two flaps that will "meet up" are on the edge. How do I spread the image into the bleeds while still ensuring that the image will be perfectly aligned when the flaps are folded down in its finished product?
Below is an example of the style of brochure I'm designing and my area of issue is the front cover where the flaps will fold to meet: 
