If you're looking for something interesting to write about, just go to Wal-Mart and take notes on what they do for a few minutes. Then, look at your notes, think up a motive for what they're doing, and start to write. Admittedly, you might not write something that's any good, but at least you'll have written something somewhat serious and realistic.
By the way, you're looking at writing 1,906 pages a day if you're participating.