Zign Track support team replied early this morning, told you they were fast.

They say...
Not all models match the morphs exactly like the ones from Zign Track. In some cases it migth be best to create custom morphs for your model. In Poser you can easily combine existing morphs into a new custom morph to get what you wan't

I'm new with custom morphs, anyone know how i should go about this. Meantime I'll be searching