Im sure most of you guys have this, but thought I would put it up for easy reference!

Internet and Picture message Settings for T-Mobile USA:

Cellular Data (internet):
APN: internet2.voicestream.com
User name:
Password:

MMS (picture message):
APN: wap.voicestream.com
Username:
Password:
MMSC: 216.155.174.84/servlets/mms
MMS Proxy: 216.155.165.50:8080
MMS Max Message Size:
MMS UA Prof URL: