When you've picked out all your images or media, click the "Download x items" link from the left hand menu "Selection Basket". When the Microsoft Service Agreement appears, simply click "Accept" and click on the "Download Now" button.
Christmas Clipart cards: a person can use Clipart and a printer to create their own Christmas cards
As their website mentions, "Many Flickr users have chosen to offer their work under a Creative Commons license, and you can browse or search through content under each type of license." Flickr is a major source of image for the open source community and helps in promoting the unfettered exchange of information over the internet. The WP Plugin called Wp-Inject assists you in searching for images on flickr and then adding them to your articles in a jiffy.