How about
print a historcal facts and or photos of famous lanmarks or things NO is known for (Jazz, Saints, french qtr, foods, voodo. mardi gras, etc) and paste it on to a bright colored box - stack the boxes in a random pyramid(s) shape and tape in place with double sided tape
http://www.neworleansonline.com/newo...ory/facts.html
make small sign posts of well known NO streets - Canal street, Bourbon st etc and stick them into a flower arrangement or a styro ball covered in foil in a bowl