It took me a few tries with various tutorials, some of which were complete failures, to find a way to hide the snake pictures after a "Read more" link below (I didn't want people TOO grossed out by my blog). For those who are interested in trying to install a hack like this on your blog, here's the tutorial I used.
And a while back, I went from a two-column blogger to a three-column layout using this tutorial. I also tried several other tutorials with no success.
Neither fix is particularly easy, but there you go.