Scratch

<forever> <when I receive[Spiral]>
<switch to costume[costume 3]>
<forever>
<stamp>
<go back( 4 )layers>
<turn cw( 5 )degrees>
<change[ color ]effect by( 5 )>
<end>



I can do this but when I try a different a different pen action such as

<when I receive[ Star-stamp]>
<switch to costume[ Star ]>
<forever if> <mouse down?>
<stamp>
<end>

it keeps doing the first one! And when I do the second one then try to do the first, it keeps doing the second one as well! Please help me!