I'm not very clever at upcycling and usually have to steal someone else's ideas but I'm sure some JTer will have done something with hubcaps. Meanwhile, I was checking online and I found some sites you might like to peep at:
http://julie-rants.blogspot.com/2010...se-hubcap.html
http://webcache.googleusercontent.com/search?q=cache:Mlvd9ZsyDqMJ:www.dudecraft.com/2009/12/ptolemy-elringtons-hubcap-animals.html+%22hubcap%22%2B%22upcycle!&cd=1&hl=en &ct=clnk&gl=ie&source=www.google.ie
http://curbly.com/modhomeecteacher/p...a-hubcap-clock
http://www.flickr.com/photos/mimiandcolette/5189254787/
http://hubcaptales.blogspot.com/
http://fiveprime.org/hivemind/Tags/clock,hubcap
http://www.upcycledworld.com/up-art/ (check out “Not Explosive Any More”)
http://greenupgrader.com/3390/tupp-a...ight-and-more/