Recently bought LG OPTIMUS GT540 and I manged to figure out the settings for MMS today. It’ll b aplicable for most of the Android mobiles.
Menu
Settings
Wireless Controls
Mobile Network Settings
Access Point Names
Now Create a APN for your data connection.
New APN
Name: Dialog
APN: dialogbb (if you are using data package on mobile)
Save
Now Create another APN for MMS (updated)
New APN
Name : mms
APN: dialogbb
Proxy: 192.168.122.2
Port 8080
MCC : 413
MNC : 12
APN type: mms
Now try send a MMS to your phone.. It should work like magic. If it doesn’t work for you lets discuss