Right-o, I'll probably be adding some pea gravel along the edges to fill in the cracks and hide the FB, then cover the entire area with another layer of fiberglass screen mesh, then add the ABG and Sphagnum moss and leaf litter. This should be my substrate layer (I'll add springtails as well). I won't be doing the substrate until I figure out my background. I think I want the back and both sides covered. Just have to figure out the best way to do it.