PPCGeeks - Here are instructions to set up MMS on Rogers

Start>Settings > Connections
My Work Network > Add a new Modem Connection
Enter a name for this connection:MMS (or whatever you want to call it)
Next
Select a modem: Cellular Line (GPRS, 3G)
Next
Access point name: media.com
Next
User Name: media
Password: mda01
Domain: Blank
Click on the Advanced Button and on the TCP/IP tab
Make sure that Use Server-assigned IP Address is selected
Click on the Servers Tab
Make sure it says Use Server-assigned addresses
Press OK
Press Finish
Go to Proxy Settings Tab
Check "This network connects to the Internet"
Check "This network uses a proxy server to connect to the Internet"
Enter 172.25.0.107
Go to Advanced Button
Under the Heading "Tap a Proxy type to change its settings"
Select HTTP and enter: 172.25.0.107 Port: 8080
Press OK
Press OK

Now you will enable MMS within the Messaging Application
Start>Messaging
Go to Menu>Options
Select Advanced Tab
Select Manual Network Configuration
Press Edit
Message center number should be: +17057969300
Email center number is blank
MMS Gateway address: 172.25.000.107
MMS URL: http://mms.gprs.rogers.com
Network Profile: My Work Network (from the drop-down list)
Press OK