Danny's MTC mailbox is 319-0817 go to www.dearelder.com and you can mail him for free! He would love to hear from you!
If you want to write a us post letter here is his address:
Elder Daniel Elling Brown
Thailand Bangkok Mission
MTC MAILBOX #319-0817
Provo Missionary Training Center
2005 N 900 E
Provo, UT 84604