Overview
In the NextGenEditor media manager you can resize or crop your images. This can be done on any image. Your modifications are physical.
Tip : using image resize in NextGenEditor Media Manager is a way to resize all the images in your Joomla website, that does not exists natively in Joomla..
Accessing Instructions
Access the Media manager
When you are creating or editing a widget, in the configuration screen, if you need an image for example for a slideshow image, you can choose an image. The manager opens.
Instructions
Use the resize/crop button in the main toolbar.
Soon a more complete documentation