[imported_HexOnxOnx]

Ok the above code that I posted showing you what I have on my forum will go from side to side no matter what screen res someone has. The reason this stretches from side to side is the background image fills the cell from side to side:
<td background="http://www.xelation.org/images/header_top_x.jpg" height="159">

This is the first line of code that I posted.

The next three images are displayed on the left each beginning right after the other in that same cell as the background image. Because that background image goes from left to right filling the whole cell, it appears that the image is one piece going from the left to the right. I can't explain this any better, all I can say is do some experimenting on your own. You would be surprised out what you can do by trying things on your own, just backup your style/forums before you do make major changes.