Free Image editing software

[qwerty]

I would like something like Photoshop, but I can't afford to buy it. What free programmes are there that do the same thing?

 

[Dingleberry88]

GIMP

Paint.NET

 

[J.T]

Tried the Gimp?

http://www.gimp.org/

EDIT: Damn posted at the same time

 

[jbloggs]

Also have a look in the Image/Photo Editors/Viewers section - FastStone Image Viewer is particularly good.