If you select an image in the KTML 4 editable 
 region and right-click it, a pop-up menu will be displayed containing 
 the available action options:

The image contextual menu provides the following operations:
Cut
Copy
Paste
Paste from Word
	
	Note: Read more about these four options here 
 (the description is for a text selection, but it applies to image selection 
 as well).
	                
Edit Image - select this option if you want to edit to current image. The KTML Image Editor window pop-up. To learn how to use it, read here.
Resize Image - this 
 option becomes enabled only after you changed the dimensions of the image 
 in the Image Properties 
 panel. It will modify the dimensions of the original image on disk to 
 the values you entered. Since it is a server-side operation, you will 
 be asked to make sure if you want to go through with it:
	
	
As you noticed, the right-click contextual menu groups together options often needed. Use it whenever you want to save time with accessing certain commands.