This was not an ad that was used, but a bawdy jingle made up about the milk years ago
(an email doing the rounds say it was done for a competition by an old lady, but that is crap according to snopes)
Vic - Mitsubishi Outlander and rear end tent....
'Once you are infected with the travel bug you have it for the rest of your life - there is NO cure'
http://hukaroa.blogspot.com.au
There were a couple of variations too Spida shown on Snopes, just as funny!