Double-click the tool or shader on the shelf and set its options.
Click Save.
The settings of any other copies of the tool or shader on the shelves or on the palette do not change.
If you have several versions of the same tool with different settings on your shelf, you can edit the tool icons to help differentiate them.
Hold and double-click the tool or shader on the shelf.
A confirm box appears, indicating that the icon file has been written to the bitmaps\small folder under your UserPrefs in the TIFF format.
Click Continue.
Modify the image file using the image editor application of your choice, and save it back to the same name and location.
The next time you launch Alias, the icon on the shelf will display your modifications.