Strandido - Crab-sposition

>Impishly sabotage this computer by changing the wallpaper background to something silly for a quick laugh.



Ha-Ha! Yes, that sounds like a right sonny idea-er, but what, you could rummaged throught the picture files of this computer for something silly... or.... you could.. yes!

>Do a self portrait in an art program and use it for the background



This is, without a doubt, the greatest thign that has ever been created in the very brief history of the human race. Nothing else can top this, it's all down-hill from here.

>Try to google "how much is £20"



Unfortunately there doesn't appear to be any sort of net browser, with which to access google... not even the much derided Internet Conquistador.

>Open "Computer", and try to see what connected networks and devices are available.



Well it seems that there is precisely one. "ULTMTTRSSVR" what sort of bizzare thingamaboop that could be eludes you as your are not entirely up to schnops on extreme contractions, well except that it's probably some sort of server.

>Check out Squawker.



It appears to be a manner of Instant Messaging service and/or Chatroom.. that's mostly used by birds if you're understanding these conversations correctly.