Well, it's the night side, so obviously there's not the same kind of shading that you get with direct sunlight.

The planet and the rings seem to violate 3D spatial relations. ie, planet appears outside the orbit of the rings, for example. Its a touch awkward. On a more subjective note, the outline of the planet in artificial colour (the corona effect) seems a bit ?? overdone.

I'd like to see other renderings.

edit: I think there is a bit of an optical illusion, part of which is happening because of the over-saturation of the corona. The image makes more sense if you soom out a bit and understand you are looking <up> at the planet from the souther hemispher (ie, below the equator/rings belt). The missing rings should be in the fore-ground but are absent due to shadow. Again, the corona;s colour saturation is so strong it throws the image constuct off when looking at it in more magnification.

Yes; you're looking "up" but surely there are no missing rings - they are actually visible against the planet as silhouettes. They are dark because they're in the planet's shadow.

I agree, but this helped. http://news.ycombinator.com/item?id=4952908

I can better appreciate the view now.