For Netscape use the low resolution option for your graphics. You may also consider interlaced GIF images or progressive JPEG files. This way visitors will at least see a low-res version of the images you need while the high resolution images are still loading. If necessary, move your domain to a FAST web host server. Break them into smaller sections.
Browsers typically wait for a table to be complete before it is displayed.
Smaller tables will be visible more quickly and will entertain your visitor while the others are still loading. They're EASY to track and fix on static HTML web pages. Visitors appreciate excellence. Broken web functions do not make good impressions on visitors. Get a copy of a link verifier and use it.