In the "ta-DA!" department, presenting "the" video!  Sorry I have to do it by link, but computing is not my strong suit.  :-)

https://www.youtube.com/watch?v=3KSt3_ej42g

This is my go-to design for edge-to-edge quilting.  I call it "C's" but it's more of a hooked paisley.  For me, it flows.  And no, the longarm doesn't need oiling, it's just that the phone picked up the noise of it.  A lot.  :-)

Here's another one I've been using a lot lately - swirls a la Jamie Wallen.  His method just clicked with me.  :-)