Oh bum, that’s more than I was hoping it would involve!
If you’re happy to email them to me, I’ll compare them to the standard files and roll in the changes. – minty at nectarine dot co dot nz
I’d tried changing the css to move the caption down, but it’s a child of the image area, and so just disappears as it moves below the image. My non-elegant hack was to make my images have 30px of white at the bottom (the site background is white) and get around it that way. I was hoping for a better solution.