What services does Google let you embed in your site?
Embed Google Maps
Go to this Google Maps page to sign up for an API key. Then you can visit Google Maps EZ to get some code to insert in your page.
Embed Google Videos
Go to Google Video, search for a video, and click "Put on a site" on the right sidebar to get the code.
Embed Google Search
If you want to make your site searchable, you can include a Google search box. You can even customize your search results to look more like your site.