This is the where I shop for my faeries wings supplies:
http://www.ooakartistemporium.com/WingSheets.html
here are some more online stores for wing materials:
http://stores.ebay.com/The-Morezmore-Estate?_rdc=1
http://www.etsy.com/people/OOAKFairyland?ref=ls_profile
if you are a faerie wing related seller and wish me to add your page to my list, just leave a comment here