Adjust thumbnail-related settings.
- [Folder Icons in Thumbnail Area]
Choose whether and in what order sub-folders appear in the thumbnail grid, thumbnail list, and filmstrip displays.
- [Display folder icons first]: Sub-folders are listed first, before pictures.
- [Display folder icons last]: Sub-folders are listed last, after pictures.
- [Hide folder icons]: Sub-folders not listed.
- [Restore Defaults]
- Reset all items in the [Thumbnail] category to their default values.