If I miss answering anyone, please let me know because I'm a bit out of it today. I'm struggling with a nasty bug and I probably shouldn't even be at the computer... but it's hard to stay away.
My zigzag usually curled the edges under a little. I didn't worry about it since the main purpose was just to reinforce the seams and it wouldn't be seen unless someone was checking the inside. You might be able to reduce the rolling by adjusting the thread tensions but unless you think it will cause problems with how the item looks on the outside, I wouldn't worry too much.
The ruffles on the JoJo skirt are simple strips of fabric, finished on all edges (the ends are rounded) and gathered down the middle. One the skirt is sewn together, I lay it out on a cutting board and pin the ruffles in place trying to make sure I don't catch extra fabric under them. Then I just stitch in place and remove the gathering stitching (which I really should do in a contrasting thread since that makes it easier to know which thread is which).
Lisa,
Thank you so much for the help. I sincerely appreciate it...esp. since you are not feeling well. I hope you feel better soon.
My husband asked to look at the "boutique" clothes I have been telling him about and I showed him your ebay store...he was oohing and aahing right along with me
Your work is beautiful.
Thanks again for sharing your tips.
Kay