I know a lot of people working in Houston with the Katrina Relief effort, volunteering at the Astrodome, at the shelters, food, clothes, medical, and even just someone to talk to.

If anyone is interested in knowing how they can help in that area please express your interest and I will post detailed contacts.

In general you can contact the following

CAIR-Houston cairhouston.org
Red Cross (in Houston)
Interfaith Ministries (in Houston)
City of Houston
and their are others as well.