So, just to summarize today's found solution:
1. For the time being, just use this link for entrance into the contest:
That's the first entry by default, and then at the top-right of the page, you'll see a thumbnail for the next entry. Just click on it to view.
Repeat the process until you reach the final entry. That's the easiest option, for now...
2. I believe this link will allow you to upload an entry into today's particular contest: