Reset Thumbnails

설명

Reset Thumbnails allows you to set the default thumbnails for your all image attachments or apply for your all post thumbnail. This is very handy if you want to reset your all images attachmented.
Extra you can all media attached to using your attached ID and very simple to use.

Arbitrary section

You may provide arbitrary sections, in the same format as the ones above. This may be of use for extremely complicated
plugins where more information needs to be conveyed that doesn’t fit into the categories of “description” or
“installation.” Arbitrary sections will be shown below the built-in sections outlined above.

Feature

Main:

1. Upload Default Image
2. Set to custom post_type
3. Set to all media

Other:

• Update in future