(This is the newer version.)
This is almost a year old, but I just now discovered it: "Un pinguino comunista
contro il sito di Forza Italia".
Last June, some naughty person defaced the website of Forza Italia, the political party of Italian Prime Minister Berlusconi, using the original version of my Commie Linux wallpaper (or rather a screenshot of it being used as a Windowmaker desktop). The odd thing is, from what I can Babelfish together, the defacing was done anonymously (no 133+ bragging, political statements, or shout-outs to people with handles like Neo or Wintermute) and the site's server was running Linux, making the choice seem a non sequitur. Maybe the perpetrator just really liked my drawing and wanted to share it with all of Italy.
I don't know if they ever found who did it, but if they're still looking, it's not "Comrade Zapato".
Searching around, I also uncovered another appearance of lil' Trots the Commie Penguin in Italy: La Casa Del Popolo is a blog that's presumably anti-Berlusconi (given the entries I skimmed) and uses the screenshot version of the image for its masthead (complete with scaled down Windowmaker title bar at the top).