I've been meaning to post about this for a few days, but Matt's comment finally got me motivated enough to actually do it. As you may have noticed, the template seems to be fixed. The problem was that Blogger's new image posting functionality interferes with the float attribute in the template. Which is to say that it screws with blogs that use the kind of super sophisticated html technology we insist on here at Team Z.
On the upside, the fix is really simple -- all you have to do is change the settings to disable float alignment. The details are here