In addition to Yahoo! Sites and the My Favourites list that you can personalise with your favorite Yahoo! services or Apps (More info), there are several ways you can Personalise your Yahoo! homepage through the Page Options menu:

• Switch between the full or compact Yahoo! homepage (More info)
• Change the background Colour of your homepage
• Switch the positions of the Today and News modules

The Page Options menu is located in the upper right-hand corner of your homepage. Click on Page Options to see the options menu.