How To Download A Backup Of Photos And Albums From Flickr

With the recent announcement of photo sharing website Flickr getting acquired by SmugMug, it can be a good idea to download a copy of all those photos and albums that were uploaded there before just for backup or to even close the account. Doing this has certain limitations though. Flickr can allow a maximum download of 500 photos or 5000 albums in one go. Also, this only works using a computer...