http://www.mainstreetmom.com/ might have some ideas for you. It's a website filled with all kinds of links. You might also find info on the PDE website, the Pennsylvania Department of Education.
I've seen some beautiful lighting indoors with the "icicle" lights people use at Christmas time. I dont' know if there are poles you can string them to, or not. Perhaps white miniature lights in artificial plants would work, too. All the best to you as you wed.
"Ten Dollar Fruit Pie" 1 stick butter 1 c. flour 1 c. sugar 1 c. milk 1 to 2 c. blackberries Melt butter in a 2-qt. baking dish. Combine flour, sugar and milk. Pour into the dish with the butter. Pour blackberries over the batter; do not stir. Bake at 350 for about one hour.
For hospital stays, small objects that Mom and Dad can pack when going home work well. If the hospital has a DVD player, maybe a few of his favorite DVDs. If you live close by, perhaps there are some things you can do for the family - mow the grass, do grocery shopping, provide a meal or dessert, contact some churches or organizations that might like to make a donation to help the family. My daughter is a cancer survivor and I know the road your nephew and his family are traveling. Take care.