Time for some updates. I apologize for the quality of the pictures, I lent my digi cam out for the week so these were taken with my cell phone.
I added coco fiber to the background using silicone. I used both black and clear silicone. It doesn't seem to make a bit of difference. Once its all done, all you see is coco fiber, not silicone color

.
Next step, clean the sides a little, plant the background, add the door and screen, or maybe that first then plant

. Then add the substrate, I will be using leca balls for drainage, and a few large rocks to section of a corner for a pond feature. Wish me luck!