If you're wanting to create MMS messages with our Java Library, there are samples that come with the library itself, but they don't include a full ...multipart.related sample with SMIL presentation part, etc...
We have just published the following sample code to fill this gap:
"Sample MMS Creation - 2-Slide Message with SMIL Part"
path Main:Technologies:Messaging:Multimedia Messagingevelopment & Toolsevelopment and Testing
direct link -- http://forum.nokia.com/files/nds_disclaimer/1,1183,2453,00.html
-paul / ForumNokia