The death toll keeps getting bigger -- the most recent article I've seen puts it at 77,000.
Probably the most compelling images I have seen so far have been these pictures of the tsunami coming ashore taken from a resort at Phuket. View them sequentially and you can really get a feel for how fast and high the tsunami was, and how much damage it did to anyone and anything near the shore.
The final outcome speaks for itself. Here's a small list of organizations accepting donations to help the victims.