Themes for Google Personalized Hompage
The Google Personalized Hompage (GPH) has implemented some themes - they just change the title areas of it, but are pretty neat anyway - they're even dynamic by time of day, season, and local weather. You can see screenshots here. I keep a GPH as my personal homepage, and the themes really add to it (I personally use the Sweet Dreams theme). I only have two requests for Google now - First, they should extend the theme to all their personalized Google services - my News page, GMail, and Calendar just don't look as good anymore by comparison (some more themes would be good too - some of the 3-D stuff they have is a little tacky IMHO), and secondly, they should implement the themes on national pages as well (if I go to my homepage on Google.ca, I can still access all the feeds and widgets, but the theme isn't there). Still, I think they have a winner.