Time for a simple render.
Always Blender 2.49 and Yafaray, using sunsky for illumination.
For the grass i use this sample (too long for making decent grass in yafaray, too lazy for do that): http://s3bi.wordpress.com/2009/06/22/exemples-pour-yafaray/
I think that is missing something, but I can guess what, maybe the grass is too flat, without color variation.
The grass is good, the model is interesting. I’d go with macouno’s observation: it looks as thought the model is sitting on the edge of a cliff. Even a couple of birds in the sky would add some depth and impart the sens that the world doesn’t end just beyond the model.
You’re right, I wanted to leave the rear clear, but is very empty. I already have some ideas for a background element, like rectangular monoliths, and make the grass continue a bit.
Thanks for the suggestion!
Now that looks amazing! I think you got the angle of the lens flare spot on given the position of the sun. I really like the colours and the mood set by the sun and grass.