Oh No Jane! I am so sorry as I know you need to get these done.
I have also meant to comment back to this thread, and my life this week was just crazy and the days seem like 2 hours long! I had planned on making a few simple examples of my brush variances but instead I will show you a few examples of what I have created using brush variances instead.
You can see my examples of what can be created with brush variances here
instead.