Sorry about all the spamming, folks. As it turns out, you can't use the "Backdate Entry" option on communities. This is the option that allows you to post entries without them appearing on friends pages. Ah, well. At least it's done.
If you're just tuning in and want to know what all of the reposting was about, check out:
http://community.livejournal.com/iiiinterests/6972.html.
Also, I made a couple of minor Edits to the entries as I reposted them, if you're interested.
We now return you to your regularly scheduled interest community.