If I remember correctly POFQ will have a "parade" at the resort. I believe it is some of the employees in golf carts. In fact I found a link on allearsnet.com. Here is the text. I will also include the url because they have photos from the '06 happenings.
http://allearsnet.com/tp/wander/wander20.htm
Many times over the years, we've been asked whether they do anything special for Mardi Gras at Port Orleans.
Donna Bertrand found out first-hand this year that indeed they do, and captured the unique celebration in photos
for this installment of Wandering the World.
Donna says: Cast Members from each department -- Front Desk, Bell Staff, Recreation, Merchandise, Food and Beverage, Housekeeping and Engineering -- do a float on a pargo (club car/golf cart). (It didn't seem that all departments had floats in this year's parade.)
It's been going on for several years,
but no one could tell me exactly how many or how it started.
They do the judging at Port Orleans Riverside, then parade through the marina area and then come over to French Quarter.
Hope this helps!