See the dojox/image/FlickrBadge reference documentation for more information.
Free text search. Photos who's title, description, or tags contain the text will be displayed
A comma separated list of tags or an array of tags to grab from Flickr
Where to display the pictures when clicked on. Valid values are the same as the target attribute of the A tag.
If you know your Flickr userid, you can set it to prevent a call to fetch the id