People get into patterns and schedules - but deadlines (Idol or otherwise) don't also fit to those. Sometimes you need to shake things up a little bit.
You have four topic choices, and need to pick two of them to write. http://therealljidol.livejournal.com/924359.html
Which ones are speaking to you? Which square peg are you going to try to fit into the square hole and which into the oval?