MMS Settings for an unlocked SonyEricsson

Help Needed!!!
For the last two dasy I have been trying to set up MMS for 3 on an unlocked Sony Ericsson phone.
I have tried the sticky above to no avail.
Can someone please help? The fields I need to fill in are:
Profile Name: 3MMS
APN: 3ireland.ie
Username: None
Password: None
Login Request: No idea what this is supposed to be
IP Address: Supposed to be automatic but I can only fill in numbers
DNS Address: Supposed to be automatic but I can only fill in numbers
Authentication: Supposed to be 'normal' but thats not an option on the phone. Options are none, PAP, CHAP, MS CHAP, MS CHAP V2
Data Compression: No idea whats supposed to go in here
Header Compression:No idea whats supposed to go in here
Proxy Settings: Lots of options here so I have no I dea what is the correct one.


I have put in red what I think is correct but feel free to change if I am wrong.
All help greatly appreciated...thanks everyone :)