How to set multiple folder icons in finder (for symbol- and list-view)? I'm using OS X 10.8.2. By default the system folder icons differ in symbol- and list-view in the finder. If I use the list view a small icon (16x16px) is displayed. In symbol view finder switches to a 128x128px icon.

How can I define both of these icons with my custom images?
To change a folder's icon just:


Open the image you want to use as icon, (with Preview, for instance). Select it all, or the part of it you want to use, and Copy it ( Command + C ).
Right click on the folder and choose Show Info ( Command + i ).
Select the folder icon image, and Paste ( Commdand + V).




Doing it this way, no matter in which view you'll be displaying the folder, the icon will be the image you've pasted.