Either take your own photo or find one that represents the idea of something you do each (or mostly each day), even if it is brushing your teeth.
cc licensed (BY-SA) flickr photo by La Chiquita: http://flickr.com/photos/lachiquita/2340217459
Tweet a link for your response to @agoraUdG and be sure to include the hashtag #agoratry25
Don't Want to Tweet Your Response? Really?