You can find the coyote paper piecing at http://pamspaperpiecings.blogspot.ca/2016/09/coyote.html
The cactus paper piecing is at http://pamspaperpiecings.blogspot.ca/2016/09/cactus.html
You can find the birthday cake paper piecing at http://pamspaperpiecings.blogspot.ca/2016/09/birthday-cake-2.html
I have several different tool paper piecings. This paint brush is at http://pamspaperpiecings.blogspot.ca/2016/07/paintbrush.html
I finally figured out how to do a waterfall layout . . .
. . . and when you pull the tab on the left . . .