[WSG] Floats changing when mouseover How to fix?

I know I've seen the answer to this somewhere but I'm blowed if I can find where now.. On my page at http://bluegrass.org.au/Magazine/newreleases/index.cfm. Using IE6, when you put the mouse over the link more . the float containing the image reduces in size to match the 'more' link. Then

RE: [WSG] Floats changing when mouseover How to fix?

where now.. On my page at http://bluegrass.org.au/Magazine/newreleases/index.cfm. Using IE6, when you put the mouse over the link more . the float containing the image reduces in size to match the 'more' link. Then when you mouseover the image, which is also a link, you see the whole image