I am fairly new to doing longarming for other people, but boy she didn't do you any service. For the price she charged you she should have done a much better job both at her designs and the proper stitching and cleaning up. Never would a quilt that I did go out with all the batting still around the edge. I always trim away the batting so that all a person has to do it put the binding on and it is finished. But to left threads that are definitely messed up is very unprofessional even for an amateur. I would for sure talk to her about it and if she doesn't want to correct her mess she should at least be willing to give some sort of refund of at least half if not more. I have never seen a leaf or heart that looks like what she attempted. If you need help correcting her mess please let me know and I will gladly assist you.
Sherryl
Candlequilter