When the scans were done, I could experiment further without losing the original work in case it went wrong.
I’ve tried a few simple techniques first (most can be seen in my documentation folder!):
…but then I went straight for the watercolour:
Although I started by keeping things neat, afterwards I decided to go wild and splash around a bit. This is the technique that I stayed with, but since it was my first time, it wasn’t up to the perfection I was after. However, overall I was pleased:
I will now import these into Photoshop and see what can be done.