[Fluxus] using racket editor

[fra]

Hello All,
first of all i would like to thank You for fluxus.
i'm going to discover this inspiring (hope the right word!) software.

Then i would like to know how can i use the racket editor for fluxus
scripts?

i have installed racket 5.1.1 from source, then fluxus 018, but seem
that racket don't know where to find fluxus.
Please note that i'm absolute beginner in scheme (then in racket and
fluxus) and then please be patient ...

I'm on Ubuntu 10.04.

Thanks,
ciao,
francesco.