[xAndrewx]

function onReceiveDataPackage(newdata) {
  temp.lines = newdata.tokenize('\n');
  //Fancy stuff
  fiximagetransparency(str) (returns boolean - set's all pixels which match the upper left corner to transparent, I think you'll need a restart for this)
}

Before I release it all, I'll ask Stefan if its ok to add it to the code gallery