Trouble with typing wrapping around image

I need to have the writing wrap to the right of the image. It shows it to be so in Visual but when shown on site, it does not wrap.

http://tapc.ca/2008/12/goodbye-charlie-brown-hello-bart-simpson/
As I mentioned, in the Visual, it looks the way I want it but on site -not good.

What can I do?

Using WP 2.6.3 and WinXP