FYI..
just pulled the mms settings off of my stock alltel ppc-6800. here they are:
Server Name: Alltel MMSC
Gateway: mms.alltel.com
Port: 8080
Server Address:
http://mms.alltel.com/servlets/mms
Connect Via: alltel wireless
Sending size limit: 300 KB
WAP: 2.0
lennysh alltel mms for 6700/apache works. i used to use it all the time. i now have a 6800. just thowing this info out there.