Scala and Processing

I'm trying out Processing together with Scala to write examples for my programming book.  There are at least two ways to use it: 1) Spde, which does some integration work but is a bit of a chore to run, and 2) simply using the Processing core.jar as a Java library from Scala, which is simple but probably has some compatibility problems that will surface eventually.

Processing: http://www.processing.org/
Spde: http://technically.us/spde/About
Using Processing from Scala described here: http://hipstersinc.com/blog/2008/1/23/scala_and_processing/