You can add images into a stock item, this video shows you the process. It also shows you how you can remove an image. A step by step guide can be found below the video.
Usage
To add an image:
In the Stock Record, open the Images tab.
EnterEdit mode.
Either drag and drop the image on to the upload symbol, or..
Browse to the image file using the Select Images to Upload button.
Once the file is selected, click the green Upload button.
Click on the SaveStock Item button when finished.
To delete an image:
In the Stock Record, open the Images tab.
EnterEdit mode.
Select the image to be deleted by clicking on it.
Using the Selected Items drop down, select Remove Selected.