This is a simple guide on how to use proxy with Mozilla Firefox Browser:

If you use proxies, you can:

a) download as many time you like using Rapidshare.de

b) Use Megaupload if your country slot is limited.

c) Enhance your privacy (no one can whois you)

d) Avoid hacker

e) Download faster (some proxies containe internet cache)

To get free proxies, go here:

Link 1

Link 2

Link 3

How to setup proxy:

Go to tools>option>general>connection

Enter setting like this screenshot: make sure that you change the proxy address.