> Could you do one for Flickr creative commons?

Here you go: http://bigfishsonar.com. It searches: Flickr, Twitter, YouTube and Google News/Images/Blogs.

I built v1 and another guy polished it up.

EDIT: I just realized it's not "instant" in the sense others are using the word. Guess I should've removed the search button and sent the ajax requests after every keystroke. Ah well, it's still pretty good.