What i've noticed that with Safari for Panther is that YTMNDs (little single comedy sites) that have centered .gif images in their code, will NOT load. Now I've asked friends that have used the newest one on Tiger, and they have said they work fine.
The example I gave was just a classic example, but it's everyone with centered .gif images.
This works correctly in recent builds of WebKit. If you'd like to see Apple push this out in a software update you should file a bug report at http://bugreporter.apple.com/.
Ok, thanks. Sorry about the original broad summary title..
*** Bug 13704 has been marked as a duplicate of this bug. ***