Doh! Apparently Google Reader doesn't honor the "caption align="bottom"" part (unlike Firefox and webkit) and stuck the captions on top of the pictures (yuck) -- go to my blogspot page to see how it was supposed to look...
Since a lot of people use Google Reader (including me!), I'll have to try again.
A test, let's see what GR does with this:
A weird moth we saw on our Varsity/Venture High Adventure Campout