Click on the following icon in the editor's toolbar:
A popup window opens.
Option a) Select an image from the list and click OK. - or Option b) If you want to select a picture from your hard drive that is not yet listed, click: Browse(... jpg, gif oder png), choose the desired picture from the location on your hard drive and click OK.
Note: Please use image names without space characters because the Alt tag will be generated automatically. Use underscores instead.
Example for the image name: The 60 seconds check: The_60_Seconds_Check.jpg
please move the mouse over the image to see the alt tag