For the Perl Foundation booth at OSCON we made this poster thanking our sponsors. They have helped us to now be able to run the perl.org infrastructure relatively independent from any one particular sponsor (that's a nice way to say that we are no longer leeching on just one helpful company but instead on several). It's great.
The posters were about 4 feet tall and very nice; I meant to bring one of them home but I forgot all about it. We also meant to get a photo of notable perl people in front of it, but we forgot about that too. OSCON is busy and exhausting.
The sponsors of CPAN could fill up another poster, but that'll have to be another time.