Corona, Zbrush, Photoshop
Ha, that´s funny 
The turtles eye looks lively, nice work!
I would go with 3d DOF and MB - would be much nicer result IMHO.
First version was been with Dof from Corona /no post-process/, but without MB
Second also with MB from Corona
for me there is no a big difference with MB. In the first case, even clear and faster time of render/
did you place the grass and rocks by hand?
Haha, great. Give that guy a movie or something!
Hello! I just want to be constructive with my critics…
I am kind of enthusiastic about animals and for me the most non-realistic thing is the tortoise!
The higher part of the shell (carapace) is good, while the lower part (plastron) is usually much flatter.
The head you modeled is lizard-like; moreover, tortoises have a sort of “beak”.
The legs of your tortoise seem to have blisters; those are supposed to be scales!
For example this is Testudo hermanni, which can be found in SE Europe:
To me it doesn’t look old at all. Also springs are miniscule, usually those things are quite big on railroad cars: List of railroad truck parts - Wikipedia
Moving topic to WIP.