Flickr Explor\'r is a free Yahoo! widget with which you can explore the 500 most interesting photos from Flickr each day! Explor\'r includes a user selectable view of single or multiple photos displayed simultaneously. Explor\'r defaults to the current day\'s photos, but you can browse previous days, as well as enter any specific date. The view cycles through all 500 photos selected as the most interesting for each day, at a rate selected by the users. Highlighting a specific photo with the cursor will display its title, and clicking on the photo…