Rank results by pageviews and take top 20% for creating questions.
will make the top 20% pageview cutoff easier.
Remember to try the target="_blank" linked URL on top of the iframes in a <div> with a border.
If clear=all isn't keeping headers from the left instead of below the iframes, then try it in a <br> after the new div, or do what it takes to get the header to appear after the div
Make multiple sets of questions you can POST to /ask (T140683) instead of just generating files; all these things can be done at the same time because they are adjacent in the code.