My brother and i are big fans of the show,but we had some fun and made a parody called "Dash Cab".we've made beter one but this one we posted online,it's the only cash cab one we were able too.
cop this link cause this forum doesn't have the URL option

http://myspacetv.com/index.cfm?fuseaction=vids.individual&videoid=15894044

Copy the above link,let me know what you think.(Not a deliberate rhyme there.