Exposing my models as webservices

Well, I was really attracted to Keel because I knew this type of situation was
going to come up for my application: I need to expose the entire application as
a set of webservices (this is because the client now longer wants a jsp/struts
front end, but one in Flash.  And I think the Flash GUI calling webservices
might be the niftiest solution.).  So hopefully my expectations worked
out...but I have a couple questions. 

How may I ask have people done this?  From just a quick glance at clnt-axis, it
looks like Keel basically just exposes a generic webservice and it expects a
model name plus whatever params the model is going to need.  So you had to
hand-roll your WSDL file to describe what those parameters are (can't use
Java2WSDL of course).  But isn't that a pretty messy service description for
that one webservice if you want to expose a bunch of models.   There would be
lots of optional elements in there that only get used depending on which model
was specified.  

Maybe I could break it out in the wsdl file by naming each model as a different
service, but then the client still has to make sure they call the service with
the model name.  

An alternative I am thinking about is creating a Java class as a proxy to each
model that I want to expose as a service (or group them in the proxy), and then
deploy the proxies with traditional Axis tools like Java2WSDL. 

Thank you so much in advance. 
-Nate  
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