• interactive Mode (select scala-archetype-simple and response to questions) :

    mvn archetype:generate
  

• non interactive / batch (change info in the last line) :

    mvn archetype:generate -B \
      -DarchetypeGroupId=net.alchim31.maven -DarchetypeArtifactId=scala-archetype-simple -DarchetypeVersion=1.5 \
      -DgroupId=com.company -DartifactId=project -Dversion=0.1-SNAPSHOT -Dpackage=com.company
  

• example compile/run (run 'mvn scala:help' for full command list) :

    mvn scala:compile
  
    mvn scala:run -DmainClass=com.company.App
  

• change license for Unlicense to CC0 (always Public Domain)
• upgrade version of scala, librairies, plugins

• upgrade of scala 2.10.0
• upgrade version of Specs(2), ScalaTest, Surefire, scala-maven-plugin

• move to sonatype for hosting
• change groupId to net.alchim31.maven
• upgrade version of scala to 2.9.2, version of JUnit, Specs(2) and ScalaTest

• upgrade to scala 2.8.0 (as default)
• upgrade version of Specs and ScalaTest
• provide sample of Specs and ScalaTest runnable from maven and eclipse (at least)

Have fun!