Does anyone know how to make these images?

[Lynx [TKB]]

I thought this was kind of cool... wondering if theres a program out there that will do it for you?
NWS

 

[Bloodshot]

you shoulda been here earlier when they first posted the pic.

 

[Zarakon]

you can do it in photoshop if you know the pattern to use

 

[Lynx [TKB]]

Yeah, probably... I would have tried to find a thread about it if the search feature were on