I think it's saying "heads up when swimming near the wall, business men sometimes come up and over."

Don Draper falls into bacon.

I rather dive into the waters than be washed away.

I think it shows that if one is trying to operate a plow, one should be facing in the same direction as the plow is going, otherwise one is apt to fall off, into the furrows one has just plowed. Perhaps it should be enclosed in a circle, with a diagonal line through the whole thing.

I don't know, but there's got to be a lawyer joke in it somehow.

It's the claw! And he failed to stop.

This man has just been licked and slobbered on by a giant tongue growing out of the ground and is taking an impromptu dunk in the bay to wash it off.