background 5/100

Background #5 started as a mop up page from a previous, so it had the blue and yellow already on it:

I added a pattern with this gorgous butterfly stamp and some more translucent colors:

I must say my bottle of medium for changing the opacity of colors has become one of my favorites suplies.
I already knew that layers was the key to a succesful background, but did it with too opaque paints and then you can have 10 layers but you'll only see the last one.