You can help out by..
*signing up to provide lunch/dinner
*signing up to host a craft project for the kids here
*provide toiletries to be shared among house guests
*provide any kind of paper goods (paper towels, plates, utensils, cups, plates, etc.)
*donating any kids books/toys for the playroom
Roger and I know that when we get home we'd like to "pay back" the generosity we've received here and we will definitely be helping out the McDonald house!