Upon logging in, you will see:
To begin scoring, click on any thumbnail.
You will see the first page of the entry and a scoring panel.
Click the left and right arrows to view the other pages.
Click on the image to view a larger version of the page.
In the scoring panel, you will see:
'Save' your score to close the window.
After scoring, you will see a "scored" banner across the thumbnail.
"Logout" when you are done scoring for the day.