Personalizing your Yahoo homepage
The Yahoo homepage is designed to be a broad lens into your daily activities and what's going on in the world. The most powerful way to make the most of your homepage is to personalize the Yahoo Sites and Favorites list with links and RSS feedsReally Simple Syndication feeds allow the user to have new content delivered to a computer or mobile device as soon as it is published. that reflect your interests and personality.
To do that, you'll need to know how to add links to your favorite web sites to "Favorites" and popular Yahoo services to Yahoo Sites.
You can also change the background color to one you like better.