Anyone else remember the "Sunkist Fun Fruits" commercials with the laughing trees?
Or Rotten Ronnie's "Do The Arches" lameo series of ads?
Some folks have put together 10 minute collections of late 80s early 90s TV commercials:
and this is only part ONE! (http://www.youtube.com/watch?v=Dbfj5PxyO6I) (apparently recorded during a CBS airing of Wizard Of Oz, in 1988 (http://en.wikipedia.org/wiki/Grammy_Awards_of_1988))
A different series, again Part One (http://www.youtube.com/watch?v=ho_jCLCxKUc)
While "reliving" some of these charming and/or horrifyingly bad moments, I think I realize that the 12-20 demographic TV ads have always been horribly insulting to the intelligence...