How to change icon for graphics file

[japp]

I'm looking for a way to change the icon for my graphics (.jpg etc.).
Any program to do this as I don't like to mess with the registry?

[raygmurphy]

1. Select the first file or folder, then choose File > Get Info. Then select the other file or folder and choose File > Get Info.
2. In one Info window, select the icon you want to use, then choose Edit > Copy.
3. In the other Info window, select the icon you want to replace, then choose Edit >Paste.