SnowWolf said:
So.. I'd say...

1) Omorashi fetish is rating:e if there is urine in the image because there is urine and it is part of the watersports fetish
2) Omorashi fetish is rating:q is there is no urine, but instead just a focus on the potty dance and @_@ facial expressions.

You've really simplified a good way to discern what goes where. As someone who does art for this fetish, I like these two descriptors as guidelines. I am interested to see if this approved all around as a good guideline!