Embed Google Groups into Google Sites

Embedding a forum into Google Sites (new UI)

You can easily embed Google Groups discussions into your Google Site by embedding a forum gadget:

1. Create or open the Google Groups forum you want to embed and the Google Site where you'd like to embed the forum.
2. Navigate to the page where you'd like to put the forum.
3. Click  Edit page.
4. From the Insert menu, select More gadgets...
5. In the new window titled Setup your gadget , select Add gadget by URL.
6. In the box below Enter the URL for a gadget you want to add, enter http://www.gstatic.com/sites-gadgets/forum/forum_content.xml.
7. Click "Add."
8. In the new Setup your gadget window:
   • Type in the name of your forum into the box next to Default forum. (Hint: If your forum's URL is http://groups.google.com/group/samplegroup, your group name is samplegroup.)
   • Leave blank the box next to The domain containing the content to display.
   • Under Display, select the height, width, and formatting specifications you want for your gadget.
9. Click "Preview Gadget" to see what your forum gadget will look like.
10. If you're happy with how your forum gadget looks, click "OK." If you want to make changes, click "Back to configuration" and change your gadget's settings.

http://groups.google.com/support/bin/answer.py?hl=en&answer=1050653