Funny that you mention that - Madcow...
I had already made the adjustments that you mentioned when I posted the second section (the one with the bridge).
Thanks for the comments folks!
Not sure weather it would be an improvement till I saw it but you could try shading the edges as if they were overhanging the chasm a bit in places. Might continue the ends a bit further, not as an open chasm but simple as a line to make its appearance less abrupt. I don't really have any problems with it as it stands though, looks fine to my eye and I very much like the shading at the bottom smudgy and a nice, but not to computer pure, gradient. The stream is looking oddly abrupt in some of these, maybe make it erode away a bit of wall as its flowing under it so that it bulges on either side where the stream enters and exits?
Ok - I'm a bit more satisfied with the chasm now - adding the cracks to the edge seems to have 'anchored' it to the base level a bit more in my mind. I also added s stone in the path of the water and played with the ditch layer a little. I have a feeling that I'm going to have to re-do the water path once I'm done with all of the other zones.
I was trying to suggest that this pool isn't as deep as the other water elements. So where as the other water would be, say, waist-deep...this would be something like 'knee' deep.
Just not sure how to make that clear.
Which is why I was making it lighter.