Few years ago there was a compilation of green slimings from different producers on YouTube. One of the slimings seemed to be an old Messygirl production but I can't find it on any of their stores. Of course, it'd be easier if I could identify the model but there wasn't any clean sequence...
Could it be this one? It looks to be an imperfect match, but it might be right. It's called "Messy Bride to Be," and it was by a one-off amateur named Michelle.