Handling attachments in SOAP
developerWorks: "Web services will require the ability to send more than just text messages between services in a process. Often it will involve complex data types such as language structures, multimedia files, and even other embedded messages. This article takes a look at how the SOAP with Attachments specification can be used to send such information. It provides a programming example of how to handle custom data type mapping and attachments in your SOAP services."
Another set of articles from the same site about Python SOAP libraries.
I’m now a big fan of XML-RPC, mainly due to its simplicity, availability of implementations and support in Zope. Since some of our code is still in ASP, I need to figure out how to make standards that separate function from presentation - yeah, the holy grail of web programming - using ASP. Then, ASP XML-RPC, we can easily reuse the functionality over the network. Must be tough to do it in VBScript where objects seldom get out of memory even after being used 
services