The problem with using liquify near the edges is that you end up creating gaps on the edges. So you either can't use it near the edges or you have to create the background. I thought it was clever, but I used an echo effect and put it behind the original frame. Basically let me work with both the last known good frame and upcoming recent frames near the edges so when I used the liquify effects it didn't create holes.
![[gif version]](http://giant.gfycat.com/FancyHonestDorking.gif){kind=link}
![[gif version]](http://giant.gfycat.com/HairyCelebratedAmericanredsquirrel.gif){kind=link}