Da reicht ein Move Picture dicke aus.

Ansonsten:

<> Cycle
....<> Cycle
........<> Show Picture 1, (160,120), Cloud {Transparenz: 10123%}
........<> Change Variable [0123:Transparenz] += 1
........<> Fork V[0123:Transparenz] == 100
............<> Break Cycle
........:End Case
....:End Cycle....
....<> Cycle
........<> Show Picture 1, (160,120), Cloud {Transparenz: 10123%}
........<> Change Variable [0123:Transparenz] -= 1
........<> Fork V[0123:Transparenz] == 0
............<> Break Cycle
........:End Case
....:End Cycle
:End Cycle