How to Delete Published Photos from Flickr in iPhoto?

iPhoto allows you to share your photos on the web by publishing them to Flickr, Facebook and Twitter. You can delete your photos from Flickr that you had published from iPhoto. When you delete them from iPhoto, they no longer appear on Flickr, but they remain in your photo library. To delete published photos from Flickr, open 'iPhoto' on your Mac. Click 'Flickr' account located in the Source List. You can delete the entire set (album) or specific photos. If you want to delete an entire set, then select it and then click 'Command-Delete' button. If you want the photos in your Flickr Photostream, then click 'Delete Set'. If you want to remove photos from your Flickr Photostream, then click 'Delete Set and Photos' to delete the set. To delete specific photos, open the set (album) and select the photos which you want to delete and then click 'Delete' key.