Do you still have the links I sent several months ago about the "Three Sister's Garden"? That's corn, beans and squash grown together that the Indians used because it produced the most from the same plot and complemented each other.
http://www.reneesgarden.com/articles/3sisters.html
Below has a number to call Second Harvest who can refer you to people in need. It's about "Plant a Row for the Hungry".
http://www.humeseeds.com/free1.htm