Ringer tee:
http://www.printfection.com/customer/custom.php?rootid=19&invoptid=623
Tshirt transfer paper:
http://www.amazon.com/Hewlett-Packard-C6049A-HP-Iron-on-Transfers/dp/B00000J3LY
Wigs:
http://www.cosworx.com/product.php?productid=25862&cat=2447&page=1
http://www.cosworx.com/product.php?productid=25840&cat=2447&page=1
Devil Horns:
http://desiredcreations.com/howTo_PJHorns.htm
Wings:
http://www.sonic.net/~mamazon/wings.html
http://www.amazon.com/Wings-Fairy-Double-Costume-Accessory/dp/B000MTQSKA/ref=sr_1_1/002-3346779-7500049?ie=UTF8&s=apparel&qid=1177613560&sr=1-1
Skirt:
http://shop.trashy.com/index.php?s=product&set_id=2083
Legwarmers:
http://www.knitty.com/issuespring03/PATTlegwarmers.html
And for the ears, I really wanted a pair of Cosworx elf ears, but it seems they have discontinued them!
So there are these instead:
http://www.aradanicostumes.com/elfears.php
