Maintaining the Custom Images folder allows other images when adding new entities to the Custom Libraries. The process for maintaining images is to simply delete them.
To remove Custom Images through the Custom Image Chooser:
1.Open the Custom Image Chooser.
2.Locate the image you want to delete from the User Custom Images section.
3.Right-click the image and select Delete from the menu that appears.
To remove Custom Images through the Customization Editor:
1.Open the Customization Editor.
2.Click the 3D View tab under the main Object tab.
3.Under the Appearance in 3D drop down list, select All face use the same image. This selection will allow you to open the Select Image editor.
4.Click the ... to the right of the Image for all faces field.
5.The Select Image editor will open.
6.Find the custom image you want to delete and right-click.
7.Click Delete from the menu that appears.
To remove Custom Images through the ICE Program Files:
1.Right-click on the ICE icon from your desktop.
2.Select Open file location.
3.Select resources » custom_images » User
4.Select an image and delete.
Best Practice: Move images to a folder on your desktop labeled Old Images. This will store images if needed at a future date.