How to cloaking link like this site ?

[WTennisPL]

When I search keyword "thor" in this site.
http://torrentz.eu/any?q=thor

I got 3 affiliate link with cloaking link.
http://torrentz.eu/z/2/thor+[Trusted]/
http://torrentz.eu/z/2/thor+-+Full+Download/

So I want to know how can they do that ? have any script can help me like this ?

Thank you !

 

[UB7.NET]

u can do this easily on a wordpress site with a proper plugin ultimate seo