Not bad at all for your first time! Also great job on going/getting the right equipment the first time around. That makes the whole experience a lot more pleasurable. Only thing thats bothering me a bit is how "flat" everything is. Maybe try to create more of a slope by adding more substrate to the back? Or maybe creating a valley by putting more substrate on the sides since you seem to be splitting the tank in two with those to rock stuctures. Just my thoughts, either way great start!