Hi Stefan,

> P.S. and please can somebody point me to the thread
> were Michael posted a script, which connects points with a
> line. I searched and searched and can't find it
> again. Thank you!

A good place to look is Petr's page here:
http://kyticka.webzdarma.cz/3d/moi/

I think the one you want is the "ConnectPoints" one that has a link from there, the original message is here:
http://moi3d.com/forum/display.php?webtag=MOI&msg=2749.56

Hope those help!

- Michael