Pardon the silliness, but this made my week: I'm Helping, a blog of animals who like to "help." I can't count the number of times I've seen cats and dogs find those warm spots and take 'em over. Here are a few favorites:

Helping Dog

Helping Cat

(That last photo is by Flickr user Elke Sisco, used under Creative Commons license.)

Check out plenty more at I'm Helping. (There are videos too....)