I doodle a lot in bryce and I plod along discovering stuff a lot of you have known for years.  I have stumbled around and occasionally hit on something I really like and I consider art.  What started as experimentation with skies evolved into a render I truly like. 

Now that I am close to the finished product, I invite some help please.  Two things are perplexing me.

1. I achieved a grainy-ness I like by reduced render quality and no AA.  How can I preserve that grain and render at a larger size?  Will it have to be done in post?  I have PSP7 and 9 and PS7.  Any filter suggestions if it can only be done in post work?

2. Can the sky renders be degraded within bryce to match the object feel?