in response to Wawa's comp, i talked to the judge and he said he screwed up. She won best overall skier, meaning she had the best score in rails and air out of guys and girls, seeing that she didnt win the air comp and fell on her rail run...they def. screwed up. But congrats anyways!
And as far as the WSI you can't just register for it, you gotta apply for the bid to get into qualifiers and even then there's only like 10 spots or something. As far as the invite list, a board of individuals in the skiing industry pick who gets an invite to the WSI, its not an open comp like the US Open