Saturn and the gas giants

I am working on a project where I need to replicate the inside of one of the giant planets. I can’t seem to get the clouds right for the ‘surface.’ One more thing is I need to create a view of Saturn’s rings as if one were looking up at them. The photos are the closest to what I am looking to do.

In both cases, the easiest thing to do would be to use a HDR:

Some weird ones are also on the marketplace:

This is what is have so far… The clouds are way off.