What are some sites with good background layout designs from cartoons?

i dont know of any sites per se where they have layouts specifically, but best be to watch some toons to get an idea or to confirm a decision..

you could try cartoon network . they have some low res images of bg for dexter , im not to sure about the others , give it a shot , worth a shot

for camera shots and similar try this pdf file, is one hell of a classic
Storyboarding the Simpsons way !!!
http://www.animationmeat.com/pdf/televisionanimation/strybrd_the_simpsonsway.pdf

(ref : animationmeat.com)

Excellent backgrounds.

http://kirkmillett.com/harcourt2.html

http://kirkmillett.com/harcourt_rafting.swf

http://kirkmillett.com/harcourt_jellyfish.swf

http://kirkmillett.com/harcourt_beach.swf

Wait for this to load and then click on concept art and click the right arrow.
http://joecorrao.com/twins/twins01.swf

These aren't backgrounds but characters (so fun to look at)
http://4eyedanimation.com/characters.htm

sweet ! :D

Those links are fun and kind of inspirational. Maybe I'll get off the stick and do a new piece one of these days. Thanks for sharing.

Take a look at Michael Hirsh's website.

http://www.animation-backgrounds.com/

Where is Michael Hirsh from. This mountain that he uses a couple times in his work sure looks like Mt. Lassen.

Here is the cartoon that goes with the links from Joe Corrao.

http://joecorrao.com/twins/twinspilot.htm

I think think this guy is so talented.

Micheal Hirsh's backgrounds are beautiful! :D