Google released a new theme-building tool for creating custom iGoogle themes that lets you upload photos from your desktop, Picasa Web Album, or the web, the builder provides following set of tools to help you create your theme. Once your theme is created, it's immediately added to your iGoogle page for you to enjoy.

• Image Cropping to fit your iGoogle theme
• Color Schemes to complement your photo
• Real-time Preview of your changes to swiftly fine-tune your theme
• Public and Private Publishing - Choose who gets to see your original themes

More info: iGoogle theme-building tool