Mario is still searching for a dog -- and he's got a great new resource to guide him.

Lopez is a member of Stumbleupon.com, a website for channel-surfing the net. When he wants to search for info about puppies, all he needs to do is select "dogs" as one of his interests -- and with the click of a button, he's stumbling across sites!

Addictive and easy to join, Stumbleupon.com has hundreds of interests for you to choose from as you surf.

To see the sites Lopez has stumbled on -- from dogs to boxing to movies -- check out his profile!