You can easy collect IP of proxies from pages looks like:
http://www.proxys4all.com/win-tel-socks.shtml
http://www.samair.ru/proxy/socks2.htm
http://mazafaka.ru/proxy/?page=2
Just copy all (CTRL+A, CTRL+C) and paste
(CTRL+V) to textbox.
Always check for live these lists before use.