Great idea G, I'm sure that could be done. I can see the news headlines already "The Tartan Toilet Terror strikes again, defacing public toilets in our city"

You could print with an inkjet printer a tartan image on to self adhesive paper, then cut out a little 'kilt' and stick it where you will


I saw a nice toilet sign design on Hanks site too, http://www.highlandtide.com/scottish...php?id=freedom