>> http://www.therealgeorgezimmerman.com/
For awhile, he had a website up where you could donate via PayPal. I think it was http://www.therealgeorgezimmerman.com/
(but don’t hold me to that URL, I may be mistaken.)
However, that particular site has been taken down.
Note that in the OP it said his attorney was planning to take the personal site down.