ProtectLinks.net - useful resources.

Here are some useful resources about link protections.

Urler.org - online fast shortener.

Bit.ly - fast single link shortener

This online service helps you to hide your links by creating new short links.
And no parsers or other bots will be able to steal your resources in automatic way.You may hide any link you wish - rapidshare, megaupload, etc.