Thank you for this tutorial, I will try to see what I can do myself.
For instant I tryed to work with the settings of your thread:
Thick & flattened paint
Knife, frost set, wet, pressure 100%, color drag 100% (falloff, drip size, drip spike and drip spread 0%)
The result for me wasn't as flat as yours in the image,
it was much more frosty, it can be interesting also but how can I obtained the smooth effect ?
To show you what I meant I just did an example and finally obtained the effect when remaining longer on the stroke,
I didn't get it first because I like to work fast and didn't think to the factor time, well here are the image and I imagine there are nothing else to do for the smooth effect than not to be in the hurry,
am I wright ?
