Critiques welcome
very nice, i like the topic and am very impressed with the ending rocketship blast off and grass 
great job and good luck to you!
I thought your animation was quite good. How was that rocket effect achieved? (my guesses are combustion or 3dsmax particles spheres or some crazy thing). The grass, were those all polygonal?
I made the rocket effect with a superspray, instanced geosphere, and applied noise.
The grass is all polygonal. It is just scattered over that surface. I only had a few 10,000 of them so from up high it looked pretty sparse but from the side, because of the multiple layers of them it looked pretty dense. Also, the ground was colored green.