Looks good, nice rocks you have there. Eco will sink to the bottom, but you will be mixing it constantly by planting and stuff, so if I was you, I would go with black only substrate. 1 inch on the front is not enough, you'll need at least 2"
The subs will mix over time as was already posted. Although, I started two tanks at the same time one w/Flourite original and the other with Eco complete black. After a few months I decided I liked the clay color of the fluorite better. On a cleaning and minor rescape I added about ˝ - 1” of Flourite right over the Eco. That was about this time last year and the Flourite is still on top.
The Fraternity of Dirt
If at first you don't succeed,,, keep kicking it RubberSideDownOnTheLanding, 2-75g planted, 5-55g planted, 5-20g planted, 110g w/30g sump, 8-10g, Refugium, doghouse/newbie 2012 update adding table top pleco pans & a 90g (Nutz)
the rocks look to placed or perfect, they look like there exactly 2" apart , i would move them around some, there so much alike in size that it would look better with smaller pieces around one of the bigger ones to. or maybe pile the 3 on the right together and leave a gap near the middle of the tank.
you could take that middle rock and slide it under the wood so the wood is taller.
and move the rock on the far right closer the the one on its left, then it would be good.
but this is my opnion and your tank!