A thinner batting has less bulk for you to deal with. Warm & Natural works well. Starting in the center and working your way out usually give you the best results, however, if you have secured the sandwich really, really well, you can start from an edge. It's heresy, but a poly thread is stronger and less likely to break. Look up 'darning' in your user manual. This will probably give you the best machine settings to start with. Gloves really help. Support the entire quilt so there's no drag and finally fast feet slow hands. Run your machine at a fast rate of speed & move your hands slowly.