Pictures would really help, I hope you can get some up soon.
Mainly make sure she has a sterile setup and is on clean paper towels. I wouldn't use a belly source as heat while she is recovering. If you can either get her ambient temps to the mid 80's or use a heat lamp to provide a hot spot.
I would worry about the stuck shed as a secondary issue. It will come off with proper care.
You sound like you are doing a good job. I don't think I would try to scrub the scales, just apply betadine like you have been. Also be careful with the neosporin. It is petroleum based and can case the scales to sort of sluff off.
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