On the Content interface, select Add element and activate the Images icon. This will open a dialog box in which you can upload or drag and drop files from your computer.
Please note that each image can be no larger than 1 MB but must be at least 50 pixels high and wide. wingu supports the formats png, gif, jpg and jpeg.
Next, you can enter a caption and select a section of the image. When you are happy with the selection, confirm with the tick in the upper-right corner. The image will be adjusted automatically.