1) If you NEVER want to see the yahoo advertising (pages will load a little faster):

• here's how, if you are using Microsoft Internet Explorer.
• here's how, if you are using Netscape Navigator.

2) If you only want to remove the ad square for any given page, you can do the following:
 
 

When you see

click on the up arrow

. . .

 
 

. . . to shrink the ad to

then click on the

to remove the ad.