Yatterukun

Fast and easy photo/video media changer plugin.
Listening for HTTP POST upload on your specific page URL,
and replace the target media file directly without wp-admin.

Upload picture/video from mobile phone, and you will be able to see the changes
on your WordPress web site quick, right then.

In order to achieve this, This plugin modifies img/video tag in html
and prevent browser caching.

More details follow the link below;

https://www.andows.jp/yatterukun-wp/en

To go with custom header

Considering Custom Header is a WordPress theme’s functionality,
Creating child theme is good, so we provided sample child themefor your convenience.

https://github.com/ankatsu2010/twentyseventeen-child-yatterukun

To prevent browser caching for custom header media, you need to create
your favorite theme’s child like above.

Recommended mobile tool

For client side solution, “Yatterukun” mobile app is also available for free on Google Play and App Store.

How to use:
1.Take picture or select from album.
2.Tap “upload” button.
3.That should do it.
Let’s go check it!