I thought the picture of the squirrel posing in the couple's honeymoon picture in Canada was so sweet, and so did the rest of the intertubes - and someone at the Torygraph pictures desk with too much time on their hands...
http://www.telegraph.co.uk/news/picturegalleries/howaboutthat/6029438/Scene-stealing-squirrel-the-cheeky-critter-throughout-history.html