The internet is chock-full of creative tips & tricks that will help you transform your old clothing into something new. Some examples:

• Upcycle That
• Take a look at the upcycling guide on the Eco Chic Design Award website.
• Remember to use Pinterest as a source of inspiration! There are more than enough pinners who create special upcycle-themed boards, such as this example or the  Recykleren-board. You can also browse Pinterest for interesting boards with the help of search terms like upcycle, clothing and DIY.