How do I change file icon assocation in Windows XP?

[SNYP40A1]

I downloaded some .ico and .png files that I would like to use for some file types. How do I change these icons in Windows XP?

 

[pacmantravis]

Check out this link:

http://www.ofzenandcomputing.com/zanswers/142

 

[DeaconFrost]

You would do so in the Files Types section, where you would also change what application opens that particular file. In Windows Explorer, it is under Folder Options.