PI-rebus

Do you have more?  Mail o.d.m@fulladsl.be
Viel dank zu Peter Esser und Helmut Postl
Peter Esser mails;"Nice idea to make a PI rebus. There are some Pi words in German, too and I tried to draw four examples. I think it's rather easy, perhaps too easy, but may be you like them."
Sure we like them.
Helmut Postl:"I have also some German pi words for you. But they are not easy -- the pictures and the words. Maybe they are not so good."
We find them very good!