Follow this link to an impassioned performance of "God Bless America" by some amazing kids.
Page down the site to see fireworks at Mt. Rushmore (to the Star Wars theme and R-O-C-K in the USA), the words of the Declaration of Independence, and more. Deb's Jewish, so won't be around on the 4th, but do go there, and wish her well on the nation's birthday.
UPDATE: Don't miss this video from GoDaddy.com - the founder of the company is a vet.
This links to a post that has some old Schoolhouse Rock videos about America's Founding.
Keep an eye out for activity at the Tea Parties, and have fun comparing the Internet coverage with the TV and Cable coverage of those events.