Slidehows going haywire

I have a new problem. More specifically it’s an old problem re-emerging.

Every morning, I go and check my weblog. For the past 3 mornings, the slideshows in all my posts are broken. Only small thumbnails show. I go in and flush the cache and everything is back to normal.

Something is going wrong overnight every night.

The page I need help with: [log in to see the link]