See if these might work:

http://cgi.ebay.com/ws/eBayISAPI.dll?ViewItem&item=2931089750&category=26392

http://cgi.ebay.com/ws/eBayISAPI.dll?ViewItem&item=3610305719&category=2020

I have bought some from the second source and have been happy. If .99 works in your budget, contact the seller, he/she might be willing to sell you larger numbers. Pete