Here's a direct link to the nbhope donation page:
https://secure.groundspring.org/dn/index.php?aid=25693
The CNCF General is the main one, and you can enter in a name in the 'On Behalf Of' section a few spaces down.
If you want to mail a donation here's their mailing address:
Children's Neuroblastoma Cancer Foundation
39651 Treasury Center
Chicago, IL 60694-9600
And on behalf of Howie and Carter, thanks