Starting from nothing and trying to achieve some project in the VM is a hard road.
http://wiki.squeak.org/squeak/VMMAker http://wiki.squeak.org/squeak/676 http://www.rowledge.org/tim/squeak/OE-Tour.html http://wiki.squeak.org/squeak/1447 - will all help but you really are facing a task a bit like designing a new valve train for Formula One when you haven't been taught to use a spanner and haven't seen an engine before. I hope this project isn't needed in a short timeframe.
tim -- tim Rowledge; tim@rowledge.org; http://www.rowledge.org/tim Programming is an art form that fights back.