Envious? No. I'm saying that because she just put a lot of images, not because I am envious, also she need to ask the owners of these images if she can modify them and upload as cursors, also the license "Release to Public Domain" it's weird, because they were modified, so it would be good the "Custom" license.
You can't upload that, also the case isn't easy, she did the same thing on his other sets, so. Why doesn't she make a icon or cursor set on his own? Don't you notice that she putted a lot of images and GIFs and converted them in cursors? probably they might be stolen, if she didn't ask permission.