Based on the fact that I don't know what part of the world you live in, I would just advise that she take a course, many community colleges and night schools offer them. There are many safety concerns with stained glass (toxic lead, glass shards, and...
There's no reason why you couldn't paint over the existing glass with glass paint if it is authentic stained glass, but keep in mind you could be destroying the value of the piece. Get permission first - original stained glass can be very expensive. ...
The blind companies make pleated shades that instead of raising from bottom to top, do the reverse, they lower from the top to the bottom. They definitely work. But what you already have done is done all of the time on the decorator shows. Love that ...