Step by step instructions and photos:

Wallet, rose, and sandals - http://home.san.rr.com/repapyob/ducttape1.htm 

Rose, wallet, halloween bag, photoframe, bookmark, bracelet, folder, pencil-holder, soda can holder, rose pen, shoelaces, tie, purse, photo album, glasses case, http://www.ducktapeclub.com/ducktivities/

Wallet - http://www.atrium-media.com/gtd/gtdductster.htm

Purse - http://www.azcentral.com/home/crafty/articles/1005craftyideas05-CR.html and http://www.thriftyfun.com/tf578311.tip.html and http://www.craftbits.com/viewProject.do?projectID=905

Dog boots - http://www.wonderpuppy.net/booties.htm

Halloween costume - http://www.vilethings.com/_other_me___the_duct_tape_double.htm

Life-size dummy - http://www.fursuit.org/faq/images/sec06/howto-dtd.html

A dress maker's form - http://www.taunton.com/threads/pages/t00002.asp