Here's a sample flickr badge with pics that have been tagged "anonymous" - problem is thinking of the kinds of keywords people might use

www.flickr.com

and here's one for the keyword lulzsec

www.flickr.com More photos or video tagged with lulzsec on Flickr

Here is an attempt to use the customize search engine generator from Google - not sure if the code goes in a post or in the template

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and here is a google news widget