Chris Thompson wrote:

do you have any suggestions for saving the plants he's
got growing _right now_? That would be cool and informative.

Murphy Oil Soap... make a solution of an ounce to a gallon of plain
water and use it to mist your plants. Be sure to spray the undersides
of those huge leaves too, and it wouldn't hurt to drench the soil
around your plants.
http://www.colgate.com/MurphyOilSoap/faqs