Some accommodation will be found, for now. Don't bet on it lasting, though.
I figure there will be some agreement to put some very very large amount of money in escrow to fund clean up and compensation for loss, and on the announcement of that agreement, the stock will shoot up like a roman candle.
It'll be the easiest short there ever was. I'm waiting for it. After that will come the real decline: slow, steady, grinding, relentless. Late 2010 puts would probably be a safe way to play it at first. Adjusting as this develops would then be called for.
Remember, we're talking about a company that also had loss of life at a refinery in Texas, and has a rep for cutting corners wherever it can. Follow the roach theory: where there's one, there's more.
And when your luck runs out, it doesn't come back for a long time.
BP's luck has run out.