Dang it, WincingDevil, I didn't click your link until after I had posted my own description.

But it should interest you to know that Gary Larson objects to his cartoons being posted on the Internet, and he has written a rather sensitive and eloquent explanation of his point of view. Click here.

(I suppose I am walking a fine line here, in assuming that his objection does not apply to mere verbal descriptions of his cartoons.)