Have you considered doing an asymmetrical lip curl (AU10 in the FACS system)? Like this image: https://s-media-cache-ak0.pinimg.com/236x/2e/77/73/2e77730c8b9d3b4ab1695d86e5e3f261.jpg
Haven't posted much here if at all. Working on terrain in CE but it's quite challenging since the system is really outdated. Anyways i'm at least getting results. Still needs work though. (oversize image disabled by moderator, original here: https://us.v-cdn.net/5021068/uploads/editor/8x/dvabpeii10om.jpg)
I made a Maya baking interface that uses Substance Batchtools for the main baking process and then Imagemagick for some additional functionality not available in Substance. The goal of the tool is to streamline and minimize baking setup time, also to get rid the need to ever leave Maya to bake. From my benchmark timing…