To add slides to the slide show, hover over the pencil icon on the slideshow module and choose 'Add/Edit Slides'.
Click the 'Add New Slide' button at the top of the screen.
Click the green Upload New File button.
Use the window that opens next to navigate to the folder that has the image that you want to upload.
Work with the controls inside the slide window to increase or decrease zoom on the image and use the mouse to reposition the image. Once the image is in the desired position select the green Crop button to have the image cropped down to the dimensions of your slideshow.
*If the green crop button is not clicked, the image will not display in the slideshow
Once you have your slide cropped scroll down and click on the 'Active' checkbox for the slide to display on your slideshow, then click 'Submit'.