This is a great site to find old cartoons, and shows to watch online. I think there is a way to steal or download them, but I'm not that computer savy, I'll have to ask Danny, because he is the one that showed me this site.

GUBA - Videos Home Page

Here I already searched for Tom & Jerry, and they had some. You'll see some other stuff mixed in, but there is quite of few.

GUBA - Free Video Search for 'tom & jerry'

Here's Bugs Bunny

GUBA - Free Video Search for 'bugs bunny'