HOK posted a great tutorial following
Zach's post about soft rendering. This techniquw is explained by HOK:
What this actually does, is turns off the sun (as its night time ), but keeps the sky image map and the low level ambient lighting. As noted by Zach, to achieve the best results, it's worth setting your render quality to "best" to get the best shadow depth you can. Setting your render to "best" will obviously result in long render times, so it's probably worth doing a few low resolution renders in the first instance to be assured that the settings will work for you.Check out the Post Here.
