A few weeks ago I provided the source code to the SendEmail solution to one of our MVPs, Patrik Sundqvist, so that he could extend the solution to also work for Service Requests.  You can read about his solution on his blog:

http://blogs.litware.se/?p=1552

You can also pick up the solution from the TechNet Gallery:

http://gallery.technet.microsoft.com/SendEmail-for-Service-dfe53a1a

 

Thanks for your contributions to the community Patrik!