Thanks alot. But i hoped ( like gri did ) there would be another way to "move" decals. Anyway great example to learn from when its up to decals.
If that was a bit longer i wonder how fast you are
Here's the contribution for all who want to know:
http://www.opserver.de/ubb7/ubbthreads.php?ubb=showflat&Number=437309#Post437309Greets
Edit: Anyway. Whats with that max_particle thing ( my first post on this page ). Still asking myself why this doesnt work.