Good proxy ?

[Uzi]

Well if you would like a very good one then I would try this one, note; it's a premium one in which you must pay for usage-

http://proxify.com/

Otherwise there are millions of alternative free proxies out there which can be located through searching using Google.
Here's a website containing numerous proxies and most of them are free, some of them are awesome and others have advertisements.
Try using AdBlock or something and search through the top ten proxies listed on the page.

Here's the website with proxy listings -

http://proxy.org/cgi_proxies.shtml

Take care, and let me know if you need any more assistance!