Firefox vs. Explorer -- Can you solve this?

A few months ago I began using Firefox as my main browser and I like it a lot more than Explorer especially given the fact that Firefox makes this blog look better than Explorer. Check out the difference for yourself by comparing the two screen shots in the next posting below. The image on the ‘left’ is a screen shot of this blog using Firefox while the ‘right’ image is of basically the same frame using Explorer. The Explorer shot misses the SOET pictures from Flickr and does not show the broad line divider between post dates. It also has alignment problems. Unfortunately, more of you use Explorer than Firefox so this blog looks like hell from your perspective. Any ideas on how to fix this problem so both browsers display the same look and feel?