Some site for leeching
http://www.proxyserverprivacy.com/free-proxy-list.shtml
http://proxy.6te.net/proxy.php?id=latest
http://freeproxies.biz/page1.html
http://freeproxies.biz/page2.html
http://freeproxies.biz/page3.html
http://freeproxies.biz/page4.html
http://freeproxies.biz/page5.html
http://www.proxy-web.com/proxy-list/